The correct option is discontinuous; continuous.
Let's understand this in detail:
1. The lagging strand of DNA is synthesized discontinuously while the leading strand is synthesized continuously. During DNA replication, the leading strand of DNA is synthesized continuously, whereas the lagging strand is synthesized discontinuously.
2. The synthesis of the leading strand is continuous since the DNA polymerase enzyme only needs to add nucleotides to the 3’ end of the growing DNA strand as the replication fork moves forward. The leading strand continuously grows in the same direction as the replication fork moves.
3. During the synthesis of the lagging strand, DNA polymerase adds nucleotides to the 3' end of the Okazaki fragments, moving away from the replication fork, and then the fragments are joined together by the enzyme DNA ligase. This process of discontinuous replication results in the lagging strand being synthesized in short fragments called Okazaki fragments.
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What group of organisms can be further classified into Kingdoms?(1 point)
the food web below shows the flow of energy through a sagebrush-steppe ecosystem. what is the maximum percentage of the energy that would be received by the coyote?
The maximum percentage of energy that would be received by the coyote in this sagebrush-steppe ecosystem is 10%. This is because coyotes are the top level predators, meaning that they only receive energy that is passed down to them by the previous trophic levels.
The first trophic level is the primary producers, in this case the sagebrush, which makes up the majority of the energy in the ecosystem (80%). The primary consumers (the grasshoppers) then consume the sagebrush and receive 10% of its energy, which is then passed down to the secondary consumers (the rodents) who in turn receive 10% of the energy, which is finally passed down to the tertiary consumers (the coyotes), receiving the remaining 10% of the energy.
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which of the following statements about blood is true? question 7 options: blood is about 92 percent water. blood is slightly more acidic than water. blood is slightly more viscous than water. blood is slightly more salty than seawater.
The statement about blood that is true is that the blood is about 92 percent water.
Blood is about 92 percent water. This means that most of its mass is composed of water, and that it has a similar chemical makeup as water. Blood is also slightly more acidic than water, with a pH of 7.35-7.45. It is also slightly more viscous than water, meaning it has a thicker consistency. Finally, blood is slightly more salty than seawater. This is due to the presence of electrolytes and other elements in the blood, such as sodium, potassium, and chloride.
Overall, these characteristics of blood provide it with the unique properties it needs to fulfill its purpose in the human body. Water, electrolytes, and other chemicals present in the blood are used to maintain pH balance, provide nutrients to the body, and carry away waste products.
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like the incisors, when viewing a canine from the proximal view, what shape is the crown outline?
The crown outline of a canine viewed from the proximal view is crescent-shaped.
The canine tooth is the largest of the four types of teeth located between the incisors and premolars. The crown of the canine tooth is crescent-shaped when viewed from the proximal view.Incisors are the front teeth in your mouth that are used to cut and bite food. They are located in the middle of the mouth and are used for biting and cutting. The front four teeth in the upper and lower jaw are known as incisors
There are eight incisors in an adult human mouth. The upper incisors are known as central incisors, while the lower ones are known as lateral incisors. The human incisors are flat and have a chisel-like edge that is sharp. They are positioned in the front of the mouth and are used for biting and cutting food.
Canines, also known as cuspids or eye teeth, are the pointy teeth located between the incisors and the premolars in the human mouth. There are two on the top and two on the bottom in the adult human mouth. They are thicker and stronger than the incisors, making them ideal for tearing meat from bones.
They have long roots, allowing them to fit tightly into the jawbone. The shape of the crown outline of the canine teeth, like the incisors, is triangular when viewed from the proximal view.
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approximately what percentage of the human genome consists of noncoding dna? approximately what percentage of the human genome consists of noncoding dna? 98.5% 77.5% 67.0% 87.0%
Only about 1 percent of DNA is made up of protein-coding genes; the other 99 percent is noncoding. The correct answer is 98.5%.
The total number of noncoding genes in the human genome is controversial. Some scientists think that there are only about 5,000 noncoding genes while others believe that there may be more than 100,000 (see the article on Non-coding RNA). The difference is largely due to debate over the number of lncRNA genes.
The proportion of coding versus noncoding DNA varies significantly between species. In the human genome for example, almost all (98%) of the DNA is noncoding, while in bacteria, only 2% of the genetic material does not code for anything.
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Choose the correct statement(s) regarding the changes that take place in bones as a person ages. Check all that apply.
a. Adults have fewer bones because many bones fuse through the years.
b. At birth there are about 270 bones, but fewer bones form during childhood
c. The adult pelvis is a single hip bone, which results from the fusion of three childhood bones.
d. The fusion of several bones, completed by late adolescence to the mid-20s, brings about the average adult number of 206.
The human body has roughly 270 bones at birth, but some of these bones fuse together as the child develops. As a result, adults have less bone mass than children.
Why do adults have less bones than children?Because some bones combine to form one bone as children age, babies have more bones than adults do. Babies have more cartilage than bone, which explains this. Around 305 bones are present in newborns
What is necessary for normal bone formation in sufficient amounts?The two main components of the crystalline component of bone, calcium and phosphate, are necessary for normal bone development and mineralization. Rickets and/or osteomalacia can be caused by insufficient mineralization.
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The energy used in water erosion initially comes from the ____.
The energy used in water erosion initially comes from the sun. Water erosion is a major geological force. Rainfall, flooding, and wave action can produce erosion.
Water erosion, or the separation and transport of soil by water, is a powerful geological force. Erosion is often brought on by water, such as when it rains, when it floods, or when it causes waves.
Although water erosion occurs naturally, it can be triggered or hastened by human actions. Explain the nature of energy. What we call "energy" is the capacity to perform some kind of action.
There is a wide variety of mechanisms by which energy can be transferred from one thing to another. Light bulbs are devices that transform electrical energy into visible light.
The engine converts mechanical energy into forward motion for the vehicle. The mechanism of water erosion. Soil erosion occurs when water flows over and washes away soil particles.
Most of the precipitation that falls to the ground will either be absorbed by the ground or will run off into neighboring rivers and streams. Soil particles are picked up and washed away by water as it flows over the ground.
As more and more dirt is gathered, the water becomes weighed down by the mud and silt and flows rapidly downward. This torrent of water is powerful enough to topple trees, change landscapes, and carry away rocks.
Sediment is carried by moving water and is eventually deposited when the water slows or when it enters a different environment. Thus, the sun is the primary source of energy for water erosion.
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which phase on the growth curve for a bacterial population contains a high number of viable cells for the longest time
The growth curve for a bacterial population contains a high number of viable cells for the longest time on the stationary phase.
The bаcteriаl growth curve represents the number of live cells in а bаcteriаl populаtion over а period of time. There аre four distinct phаses of the growth curve: lаg, exponentiаl (log), stаtionаry, аnd deаth.
The initiаl phаse is the lаg phаse where bаcteriа аre metаbolicаlly аctive but not dividing.The exponentiаl or log phаse is а time of exponentiаl growth.In the stаtionаry phаse, growth reаches а plаteаu аs the number of dying cells equаls the number of dividing cells.The deаth phаse is chаrаcterized by аn exponentiаl decreаse in the number of living cells.For more information about bаcteriаl growth curve refers to the link: https://brainly.com/question/30674374
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if two brain cells become more active at the same time, the connections between them grow stronger. this process is called
This process is called synaptic plasticity. Synaptic plasticity is the ability of two neurons to form a stronger connection when they become active at the same time. This process is important for learning, memory formation, and other cognitive processes.
If two brain cells become more active at the same time, the connections between them grow stronger. This process is called Hebbian Learning.The learning process that occurs when the firing of one neuron strengthens the synapse that leads to a neighboring neuron is known as Hebbian learning. It is named after Canadian psychologist Donald Hebb, who first proposed the concept in 1949.
This theory is based on the idea that the two neurons that fire together become connected, and the synaptic link between them grows stronger when they do. Hebbian learning has been related to a variety of learning processes in the brain, including the development of perceptual maps in the visual cortex, the refinement of motor control, and the learning of higher-order cognitive abilities. It is thought to underlie most types of memory and plays a critical role in neural development, memory formation, and learning.
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short preganglionic neurons and long post ganglionic neurons correctly describes the anatomical makeup of:
Short preganglionic neurons and long post ganglionic neurons correctly describes the anatomical makeup of the autonomic nervous system
The autonomic nervous system is made up of two branches, the sympathetic nervous system and the parasympathetic nervous system. Each branch has preganglionic and postganglionic neurons. The preganglionic neurons in the autonomic nervous system are typically shorter than the postganglionic neurons, and they connect to the postganglionic neurons at ganglia, which are clusters of neurons outside the brain and spinal cord.
The postganglionic neurons then go on to connect to their target organs, such as the heart, lungs, or digestive tract.
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in mammalian cells, where is the atp synthase protein complex located? inner membrane of mitochondria outer membrane of mitochondria cytoplasmic membrane mitochondrial matrix
The ATP synthase protein complex in mammalian cells is located in the inner membrane of mitochondria.
The ATP synthase protein complex is located in the inner membrane of the mitochondria in mammalian cells. The inner mitochondrial membrane is where most of the electron transport chain and oxidative phosphorylation occur, which is the final stage of aerobic respiration. ATP synthase is an integral protein located in the inner mitochondrial membrane. This protein uses energy from a proton gradient across the inner mitochondrial membrane to synthesize ATP.The ATP synthase protein complex is responsible for producing ATP, which is the primary energy currency of cells.
It does this by harnessing the energy released during the electron transport chain to pump protons out of the inner mitochondrial membrane. This creates a proton gradient, which is used to power the ATP synthase protein complex, causing it to produce ATP. Therefore, the ATP synthase protein complex is essential for the production of ATP in mammalian cells.
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which of the following contain oxygenated blood? group of answer choices pulmonary veins lobar arteries pulmonary trunk pulmonary arteries
Answer: Pulmonary veins
Explanation:
Pulmonary veins contain oxygenated blood, while pulmonary arteries contain deoxygenated blood.
The pulmonary veins are the vessels that transport oxygenated blood from the lungs to the left atrium of the heart. The pulmonary arteries are the vessels that transport deoxygenated blood from the heart to the lungs. The pulmonary trunk is a large artery that carries blood from the right ventricle to the lungs, and the lobar arteries are branch arteries that connect the pulmonary trunk to the smaller bronchial arteries.
Oxygenated blood is blood that has passed through the lungs, where it has been oxygenated, and is rich in oxygen. This oxygenated blood is pumped out of the heart through the pulmonary veins, and is directed to the left atrium. From here, it is sent to the left ventricle, then distributed to the rest of the body.
Deoxygenated blood is blood that has already been used by the body, so it contains less oxygen and more carbon dioxide. This deoxygenated blood is sent to the lungs via the pulmonary arteries, where it is oxygenated and sent back to the heart.
The pulmonary trunk is a large artery that carries blood from the right ventricle of the heart to the lungs. The lobar arteries are branch arteries that connect the pulmonary trunk to the smaller bronchial arteries. These small bronchial arteries are the vessels that deliver oxygenated blood to the bronchi, which are the passageways that supply oxygen to the lungs.
In summary, the pulmonary veins contain oxygenated blood, the pulmonary arteries contain deoxygenated blood, the pulmonary trunk carries blood from the right ventricle to the lungs, and the lobar arteries are branch arteries that connect the pulmonary trunk to the smaller bronchial arteries.
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explain your understanding of energy flow in an ecosystem links to an external site.. give relevant examples.
Energy flow in an ecosystem is the process of energy transfer from one organism to another.
Energy enters an ecosystem from external sources, such as sunlight, and then moves through organisms and components of the environment in a particular pattern.
For example, energy is transferred from plants to herbivores, then to carnivores, and eventually lost as heat energy when the organisms die. In this way, energy flows from one organism to another and is recycled within the ecosystem.
An example of energy flow in an ecosystem is a food chain. A food chain is a linear sequence of organisms in which each organism consumes the one before it, transferring energy from one organism to the next.
At the base of the food chain are the producers, such as plants, which convert energy from the sun into organic material. Herbivores eat the producers and are eaten by carnivores. Energy is transferred from the plants to the herbivores and then to the carnivores, and eventually lost as heat energy.
Another example of energy flow in an ecosystem is the carbon cycle. In the carbon cycle, carbon is cycled from one organism to the next in a series of chemical reactions.
Carbon dioxide is taken in by plants, which convert it into organic material. Herbivores then eat the plants and the carbon is passed up the food chain. Eventually, the carbon is released back into the atmosphere as carbon dioxide when the organisms die.
In conclusion, energy flow in an ecosystem is the process of energy transfer from one organism to another. Examples of energy flow include food chains and the carbon cycle.
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what scientists are credited with the base-pairing rules?
The base-pairing rules are credited to the scientists James Watson and Francis Crick. Watson and Crick were two English scientists who, together with Maurice Wilkins, co-discovered the structure of the DNA molecule.
What is DNA? The DNA (Deoxyribonucleic Acid) is the genetic material of the majority of the living organisms. This material is usually located in the cell nucleus, where it houses the genetic code that controls the synthesis of proteins and the general cell functioning. DNA consists of two long chains that wind around each other, forming a double helix. These chains are made up of nucleotides that contain a sugar, phosphate, and nitrogenous base . The discovery of the structure of DNA revolutionized biology and led to the study of molecular genetics. Watson and Crick published a paper in 1953 that proposed the structure of DNA. The paper proposed that DNA consisted of two chains that were held together by pairs of bases. The bases were adenine, guanine, cytosine, and thymine, and they paired up in a specific way: adenine with thymine and guanine with cytosine. This pairing was referred to as the base-pairing rules. The base-pairing rules have been critical to the study of genetics and the development of new technologies, such as gene therapy and genetic engineering. They have also been critical to the study of evolution, as they have allowed scientists to compare the DNA of different organisms and determine their relationships.
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which of the four histones has the largest tail? do histone tails play an important role in the organization of core nucleosome particle? how do histone tail modifications contribute to chromatin structure
Of the four kinds of histone proteins, histone H3 is distinctive in at least two ways. First, it possesses the longest N-terminal tail with 59 amino acids, filled with positively charged residues.
The nucleosome's histone tail secondary structure. Histone tails are known to have a crucial role in nucleosome dynamics and hence in gene expression and transcription.
Various forms of histone alterations. Phosphorylation of histone tails gives a negative charge to the histone tails, therefore affecting the conformation of chromatin structure and interactions with transcription factors. There are two primary ways that histone alterations work.
The first involves the modification(s) that, either locally or broadly, directly affect the general structure of chromatin. The second step entails modifying the regulation in a positive or negative way.
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What mineral is most likely used to make an MP3 player? A) talc B) zinc C) quartz D) calcium I'm pretty sure it's either zinc or quartz but I don't know which
Option C, A typical type of mineral called quartz has special electrical properties that make it very popular in electronics.
It is ideal for use in oscillators and filters essential in electronic devices such as MP3 players due to its piezoelectricity, which means it can generate an electrical charge when subjected to mechanical stress.
For example, MP3 players often use quartz crystals to generate precise timing signals and control frequencies. Zinc, on the other hand, is often used to make alloys and batteries. Although it can be used to make a variety of electrical parts, it is not often used in the manufacture of MP3 players.
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in the binomial name for the common fruit fly, drosophila melanogaster, which two taxonomic levels are provided in the name?
The binomial name for the common fruit fly, Drosophila melanogaster, provides two taxonomic levels in the name: the genus and species.
Binomial nomenclature is the system of naming species with a scientific name consisting of two parts: a generic name and a specific name, which together define the species.
The International Code of Nomenclature for algae, fungi, and plants (ICN), which applies to all organisms traditionally treated as plants, also allows for names to be assigned to taxonomic ranks other than species. However, it is customary for the binomial system to be used in all ranks, including the rank of species.
Binomial names, often known as scientific names, consist of two parts: the first part is the generic name or genus name, which identifies the genus to which the species belongs, and the second part is the specific name or species epithet, which identifies the species within the genus.
The word "binomial" comes from the Latin "bi-" meaning "two" and "nomen" meaning "name."
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Structures represented in the illustration below are found in the lower epidermis of a plant leaf. The illustration shows the response to a certain environmental condition. What are the structures that point T and Q and what would the response represented in the illustration most likely be caused by?
In the given structure T represents Guard cells while Q represents Stoma.
The structures represented by points T and Q in the illustration below are found in the lower epidermis of a plant leaf. Point T represents a guard cell, and point Q represents a stoma (also called a stomatal pore). The response shown in the illustration is most likely due to the lack of available water.
Guard cells are specialized cells found in the lower and upper epidermis of leaves in plants. They are responsible for regulating the opening and closing of stomata, which are tiny pores on the surface of leaves that allow for gas exchange between the plant and the environment.
Guard cells are kidney-shaped and contain chloroplasts, which enable them to photosynthesize and produce energy for their function. When they are turgid (swollen with water), the stomata open, allowing for the exchange of gases such as carbon dioxide, oxygen, and water vapor. When they are flaccid (lacking water), the stomata close, preventing water loss and conserving water within the plant.
The opening and closing of stomata is regulated by changes in turgor pressure within the guard cells, which is influenced by environmental factors such as light, temperature, humidity, and carbon dioxide levels. Guard cells play a crucial role in plant survival by maintaining the balance between gas exchange and water conservation.
Stomata (singular: stoma) are tiny pores or openings found in the leaves, stems, and other above-ground parts of plants. Stomata are surrounded by a pair of specialized cells called guard cells that regulate their opening and closing.
Stomata are the main sites for gas exchange in plants, allowing for the uptake of carbon dioxide needed for photosynthesis, and the release of oxygen produced during photosynthesis. They also play a role in transpiration, which is the loss of water vapor from the plant through its leaves.
The number and distribution of stomata on a plant can vary depending on factors such as species, age, and environmental conditions.
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which portion of dna conveys the genetic code? please choose the correct answer from the following choices, and then select the submit answer button. answer choices phosphates sugars hydrogen bonding nucleotides
Nucleotides. An exon is a section of a gene that transmits (codes for) genetic data. A gene section called an intron lacks genetic information (coding for it). In an mRNA molecule, an exon is a section of the genome.
Exons can be classified as "coding" or "non-coding," depending on whether they are responsible for producing a protein. Exons and introns make up the genome's genes.
In order to create a lengthy chain of nucleotide monomers, the phosphate group of one nucleotide forms a covalent link with the sugar molecule of the following nucleotide. Each DNA strand's "backbone" is formed by the sugar-phosphate groups lining up in a specific order.
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what is the process by which solutes are transferred to the tubular fluid from the peritubular soace
The process by which solutes are transferred to the tubular fluid from the peritubular space is called tubular reabsorption.
What is tubular reabsorption? Tubular reabsorption is the process by which solutes such as ions, water, and nutrients are reabsorbed into the bloodstream from the tubular fluid. This process happens in the renal tubules and collecting ducts of the nephron.
The reabsorption of essential solutes is regulated by hormones such as aldosterone, antidiuretic hormone, and parathyroid hormone. The peritubular space, located between the tubular epithelium and the capillaries, is where the reabsorption of substances takes place.
This region of the kidney contains blood vessels that help with the reabsorption of solutes. Reabsorption is an essential function of the kidney that allows it to conserve the body's valuable solutes while also excreting waste products.
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if the unknown antigen contained bovine and swine serum albumin, what would you expect to happen in the ouchterlony test, and why?
We can expect a precipitin line would form between the swine and bovine serum albumin.
In laboratories, the Ouchterlony test is employed to identify antigens and antibodies as well as to identify antigen homologies. Using nuclear antigens and immunoglobulins as examples. Cross-reactivity may be found with it, and it is essential for finding anti-La and anti-Ro antibodies, especially in women.
A precipitin line would form between the swine and bovine serum albumin because of the antigen-antibody interaction. This is because swine serum albumin contains antibodies to bovine serum albumin, which may be found using an immunoblotting approach. This is the final observation.
So, we can expect a precipitin line would form between the swine and bovine serum albumin.
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What group has two pairs of antennae?
The group that has two pairs of antennae is the crustaceans.
Crustaceans are a type of arthropod that has a tough, flexible exoskeleton and two pairs of antennae. The crustacean group includes a wide range of organisms, including crabs, lobsters, shrimps, crayfish, and krill. The majority of these animals live in aquatic environments, such as oceans, lakes, and rivers.
They come in a variety of shapes and sizes, and their exoskeletons may be transparent or brightly colored. Crustaceans are known for their two pairs of antennae, which are sensory organs that detect changes in the environment.
These antennae are frequently long and flexible, allowing them to detect prey or predators from a distance. Crustaceans can be found in almost every body of water, from freshwater to saltwater. In the animal kingdom, they are one of the most diverse and adaptable groups.
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which statement is not true about mutations? a mutation is a change in the dna that can generate offspring less fit for survival than their parents
No, a mutation is not necessarily a change that results in an offspring less fit for survival than its parents.
Mutations can result in more fit offspring, no change, or less fit offspring depending on the particular mutation.
Mutations are changes in the genetic material (DNA) of a cell and can occur naturally through errors in the replication of DNA, or can be caused by environmental factors such as radiation or chemical mutagens. These mutations can be beneficial, neutral, or deleterious and may or may not result in a change of phenotype in the organism.
If a mutation is beneficial, it may result in offspring that are more fit for survival than their parents. If the mutation is deleterious, it may result in offspring that are less fit for survival than their parents. Neutral mutations have no effect on fitness and may or may not result in a change in phenotype. Regardless of the mutation, it is important to note that the offspring will always have some variation from its parents.
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the thick filament is composed of what molecule? myosin pivoting the head of this molecule provides what is known as the
The thick filament is composed of the myosin molecule. Pivoting the head of this molecule provides what is known as the power stroke. The thick filament is a component of the sarcomere, which is the basic unit of contraction in skeletal muscle.
The thick filament, which is made up of myosin molecules, is responsible for generating the force of muscle contraction.
Myosin is a protein that makes up the thick filaments of muscle fibers. The molecule consists of two main regions: the head region and the tail region.
The tail region of each myosin molecule is responsible for binding to other myosin molecules in order to create the thick filament.
The head region of the myosin molecule is responsible for binding to and interacting with the thin filament during the process of muscle contraction.
When the myosin head binds to the thin filament, it undergoes a conformational change that results in the power stroke. This power stroke is what causes the thick filament to slide past the thin filament, generating the force of muscle contraction.
Overall, the thick filament and the myosin molecules that make it up are essential for muscle function and movement.
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petrochemicals are derived from which of the following of resources? group of answer choices none of these seawater petroleum trees atmosphere
Petrochemicals are derived from petroleum, which is a naturally occurring liquid found in underground reservoirs.
Petroleum is composed of a complex mixture of hydrocarbons, which are molecules composed of hydrogen and carbon. Hydrocarbons can be further broken down into various products, such as gasoline, diesel fuel, kerosene, and petrochemicals. Petrochemicals are derived from petroleum by distillation, a process in which petroleum is heated to separate the different components. These components are then combined in various ways to create useful products, such as plastics, synthetic fibers, detergents, and fertilizers.
None of the other answer choices are valid sources for petrochemicals. Seawater, trees, and atmosphere contain no hydrocarbons and therefore cannot be used to make petrochemicals.
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dna contains the instructions needed for an organism to do all but which of the following? a: survive b: develop c: reproduce d: breath
The answer to the given question is "d. breath" since DNA does not provide the instructions for the organisms to breathe. The breathing process is regulated by the respiratory system, which consists of organs such as lungs, trachea, and bronchi. The respiratory system is responsible for taking in oxygen and releasing carbon dioxide, which is necessary for maintaining the body's metabolic functions.
The instructions that are contained in DNA are responsible for a wide range of functions in organisms. These functions include the ability to survive, develop, reproduce, and perform other necessary functions to support life on Earth. The only function that is not included in the instructions contained in DNA is the ability to breathe.
The DNA is a nucleic acid and contains the genetic information or instructions for the development, growth, reproduction, and survival of an organism. These instructions are coded in the form of genes, which are responsible for producing proteins that perform different functions in the body. These functions include everything from controlling the chemical reactions that occur in cells to regulating the expression of specific genes.
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the extra atp that your mitochondria make will be stored in a molecule that works as an energy reservoir. this molecule is called
The extra ATP that the mitochondria produce will be stored in a molecule that serves as an energy reserve, this molecule is known as ADP. ADP stands for adenosine diphosphate).
ATP, or adenosine triphosphate, is a molecule that carries energy, it is a nucleotide that has been modified. The modified nucleotide has two additional phosphate groups attached to it. Energy is required to add the two phosphate groups to the nucleotide, as well as to remove them. The cells' main energy source is ATP, it is required for cellular processes such as biosynthesis, muscle contraction, and the generation of nerve impulses. The energy provided by ATP is utilized by the cell to complete its functions.
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6. the instructions for making hemoglobin and other macromolecules in this same category are found in which organic molecule?
The instructions for making hemoglobin and other macromolecules in this same category are found in DNA.
DNA is an organic molecule made up of nucleotides that carry the genetic code for all living organisms. The nucleotides are arranged in a double helix, and the code for making hemoglobin and other macromolecules is stored in the form of a four-letter alphabet - A, T, C, and G - that are found in the nucleotide base pairs.
DNA is a long polymer of nucleotides that encodes the genetic instructions for the development, functioning, growth, and reproduction of all known living things and many viruses.The instructions for the synthesis of the protein hemoglobin and other macromolecules in this same category are provided by DNA.
DNA is a macromolecule composed of nucleotide subunits, with each nucleotide consisting of a sugar (deoxyribose), a phosphate group, and a nitrogenous base (adenine, guanine, cytosine, or thymine). These nitrogenous bases, combined in a sequence determined by the genetic code, provide the blueprint for constructing proteins such as hemoglobin.
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Energy from cellular metabolism is converted to ATP by respiring organisms. Place the following steps in the correct order. Events (5 items) (Drag and drop into the appropriate area) - Influx of Hthrough ATP synthase drives ATP production - NADH and FADH are oxidized by electron transport proteins. - An electrochemical gradient of protons is established (â–³p). - Glycolysis and TCA cycle generate NADH & FADH
- Electron transport releases energy that is used to translocate H+.
Correct order:
Glycolysis and TCA cycle generate NADH & FADH --> NADH and FADH are oxidized by electron transport proteins. --> Electron transport releases energy that is used to translocate H+. --> An electrochemical gradient of protons is established (â–³p). --> Influx of H+ through ATP synthase drives ATP production.
The main source of energy for cellular functions is ATP, which is produced by cells through the process of cellular respiration. Glycolysis, the citric acid cycle (also known as the TCA cycle or Krebs cycle), and oxidative phosphorylation are the three primary phases of the reaction (which includes the electron transport chain and chemiosmosis). The majority of the ATP is created in the electron transport chain, which is the last phase of cellular respiration.
A large enzyme complex called ATP synthase crosses the inner mitochondrial membrane. It drives the synthesis of ATP from ADP and inorganic phosphate using the energy from the proton gradient. Once H+ enters ATP synthase, a rotor-like structure rotates within the enzyme complex, changing the active site's shape and catalysing the creation of ATP. The ultimate consequence is the creation of ATP, which is subsequently utilized to fuel energetically demanding cellular functions.
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in the dark reactions (also known as the calvin cycle), sugar precursor molecules are made and exit the cycle. however, one of these precursor molecules remains in the cycle. why is this important?
This important because the remaining molecule is necessary for the continuation of the cycle and for the production of new sugars. Without this molecule, the cycle would be interrupted and no more sugars would be produced.
It is difficult to determine the specific molecule being referred to in this statement without further context. However, based on the mention of the cycle and the production of sugars, it is possible that the molecule being referred to is ATP (adenosine triphosphate) or NADPH (nicotinamide adenine dinucleotide phosphate), both of which are involved in the process of photosynthesis in plants.
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