The statement that is not correct is that lizards are more closely related to salamanders than to humans.
What are lizards?Lizards belong to the group of reptiles that belongs to the animal kingdom that share an ancestor with snakes. They are animals that have a long body and skin covered with lamellae like scales. Among the lizards we know are iguanas, chameleons, lizards, and geckos.
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Based on the tree below, which statement is not correct?
a. The salamander lineage is a basal taxon.
b. Salamanders are a sister group to the group containing lizards, goats, and humans.
c. Salamanders are as closely related to goats as to humans.
d. Lizards are more closely related to salamanders than to humans
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Which are mechanisms of antigenic variation? 1. siderophoric switching 2. mutation 3. recombination 4. gene switching
The mechanisms of antigenic variation are:-
1. mutation 2. recombination 3. gene switching
One of the methods of antigenic escape, antigenic variation or antigenic alteration refers to the process by which an infectious agent, such as a protozoan, bacterium, or virus, modifies the proteins or carbohydrates on its surface and evades a host immune response. It has to do with a phase shift. The pathogen can re-infect previously infected animals thanks to antigenic diversity, which also helps it dodge the immune response in its present host. Recognition of the antigens carried by the virus, which are "remembered" by the acquired immune response, provides the basis for immunity to re-infection. If the pathogen's main antigen can be changed, the acquired immune system of the host can be circumvented.
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why all alkali are base but not all base are alkalies
A base and an alkali are both substances that may dissolve in water and neutralise acids. However, not all bases are water soluble.
What effects does alkali have on your body?Hydroxyl groups are typically found in alkalis, and when they break down in water, they form hydroxide ions. Alkali chemicals harm the GI tract by saponifying lipids and solubilizing proteins, allowing for extensive tissue penetration. As a result, they cause substantial penetrating damage, unlike acids.
What properties does an alkali have?Alkalis taste BITTER and feel SOAPY to the touch.When litmus paper is exposed to alkalis, it becomes blue.Alkalis have a pH higher than 7.Caustics are alkalis.Alkalis CONDUCT ELECTRICITY because mobile ions are present in solution.To know more about Alkali visit:
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biology enzyme fill in the blank
Answer:
good luuuuuuuuucccckkkkkkk........
some bacteria live in deep sea vents where no light penetrates, yet are still capable of producing their own reduced carbon. these organisms are classified as choose one: a. photoheterotrophs. b. chemoheterotrophs. c. chemoautotrophs. d. photoautotrophs.
The bacteria that live in deep sea vents where no light penetrates, yet are still capable of producing their own reduced carbon are classified as chemoautotrophs.
What is chemoautotrophs?Chemoautotrophs are the class of organisms that use inorganic chemical reactions as the source of energy to produce organic compounds by using carbon dioxide. They will not use light energy, as they live in deep sea vents or other regions where light generally does not reach instead they use the energy obtained from the oxidation of the inorganic compounds to convert carbon dioxide into the necessary organic compounds.As the other options can be described in short as,
Photoautotrophs are the class of organisms that cannot live in areas where light does not penetrate as they require light for energy production by photosynthesis.
Photoheterotrophs and chemoheterotrophs cannot synthesize their own products and are dependent on other plants and organisms to meet their energy and nutrition requirements.
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Mention Some poisible solutions to control the spreading
exotic species?
Some possible solutions to control the spreading are Invasive Species :
Get your fishing and hiking gear clean.Never move the firewood.Whenever possible, catch fish with local bait.Join the removal effort as a volunteer.Before moving to a new body of water, clean your boat.When choosing plants for your garden, consult with your neighborhood nursery.What is meant by invasive species?Any non-native species that significantly alters or disrupts the ecosystems it colonizes is referred to as an invasive species, also known as an introduced species, alien species, or exotic species. Such species may migrate naturally to new areas, but they are frequently brought in by the activities of other species.
Rabbits, foxes, cats, pigs, untrained goats, rodents on islands, red imported fire ants, Psittacine beak and feather disease, and chytrid fungus are a few examples of invasive species key threatening processes that cover individual threats.
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I understand the question you are looking for :
Mention Some possible solutions to control the spreading invasive species ?
The location and nature of the muscular connection to the skeleton influences the?
The location and nature of the muscular connection to the skeleton influences the Speed range and force
What is the area of the skeletal muscle?
Skeletal muscle is located between bones, and uses tendons to connect the epimysium to the periosteum, or outer covering, of bone.
What is the process and location of skeletal muscle?
Skeletal muscles are muscles that are related to and facilitate the movement of the skeleton. They are attached to the outer covering of bones, called the periosteum. This relation to the bone is through a type of connective tissue known as tendons. Our bodies include between 600-900 different skeletal muscles.
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1. Find a food chain that connects algae to the alligator. Then find another food chain from the saltmeadow grass to the alligator. Use two pen different colors to highlight the two food chains.
Algae/Saltmeadow grass/shrimp/killifish/muskrat/raccoon/catfish/pelican/bobcat/alligator
The food chain that connects algae to the alligator includes algae, shrimp, killfish, catfish and finally the alligator. Another food chain that connects salt meadow to the alligator includes salt meadow, muskrat, and finally the alligator.
Food chains consist of a sequence in which an organism is consumed by other organisms for their survival. The environment and the survival of species depend on food chains. To survive, each consumer relies on an additional animal or plant. They receive their nutrition from those species.
Six components make up the food chain, however it is not necessary that all of them would be present all together at the same time. They consist of a producer, a primary herbivore consumer, a secondary omnivore consumer, a secondary carnivore, and a decomposer.
Algae is a producer eaten up by the primary herbivore consumer shrimp, which is then eaten up by a secondary omnivore consumer such as killifish, which is further eaten up another secondary omnivore consumer such as catfish, and finally by a secondary carnivore such as an alligator.
Another food chain involves a primary omnivore consumer such as salt meadow, a secondary carnivore such as the muskrat and finally another secondary carnivore, an alligator.
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question 1(multiple choice worth 2 points) (04.03 lc) cellular respiration occurs within the of a cell. nucleus vacuoles cytoplasm mitochondrion
Mitochondria, is responsible for cellular respiration.
Mitochondria- The majority of the chemical energy required to drive a cell's metabolic operations is produced by mitochondria, which are membrane-bound cell organelles. Adenosine triphosphate, a tiny molecule, serves as a storage container for the chemical energy generated by the mitochondria (ATP).
ATP- A crucial "energy molecule" present in all living things is ATP. In particular, it's a coenzyme that transfers energy to the cells by liberating its phosphate groups when it interacts with enzymes like ATP triphosphatase.
Enzyme- Proteins called enzymes aid in accelerating our bodies' chemical processes, or metabolism. Some compounds are created, while others are broken down.
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indicate whether natural selection, if it acted alone, could cause changes in the allele frequency of a population. acting alone could change allele frequency. acting alone could not change allele frequency.
Acting alone could change allele frequency.
Herbal choice can motivate microevolution or a change-in allele frequencies over time with fitness-growing alleles becoming greater not unusual in the populace over generations. fitness is a measure of relative reproductive success. herbal preference occurs at the same time as there are variations in fitness amongst individuals of a population.
As a end result, some people pass more genes to the frequency subsequent generation. This causes allele frequency to change. herbal choice takes area whilst one allele or mixture of alleles of numerous genes makes an organism extra or plenty much less desirable, that is capable of live on and reproduce in a given surroundings. If an allele reduces fitness, its frequency will have a propensity to drop from one era to the subsequent. therefore we'd expect a preference towards the dominant phenotype to adjust the frequencies of alleles greater unexpectedly.
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According to the law of ______________________________, the price of copper is directly related to the rate of its production.
According to the law of supply and demand, the price of copper is directly related to the rate of its production.
The quantity of a good supplied, or the amount owners or producers offer for sale, is said to increase as the market price increases and decreases as the price decreases according to the law of supply. In contrast, the law of demand (see demand) states that when a good's price increases, less of it is sought and vice versa.
A basic tenet of economics is that when there is more supply than demand for an item or service, prices decline. Prices typically increase when demand outpaces supply. When demand is constant, there is an inverse relationship between supply and prices of products and services.
The link between supply and demand is crucial because it helps to establish the costs and availability of the majority of goods and services in a given market. The interplay between supply and demand eventually balances out in accordance with the tenets of a market economy.
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What are three things a scientist may see in a plant cell that would not be in an animal cell?
Explanation:
Plant cells have a cell wall, chloroplasts, plasmodesmata, and plastids used for storage, and a large central vacuole, whereas animal cells do not.
Cells synthesize epinephrine from the amino acid tyrosine (see Figure 5.14). On the structure of epinephrine shown above, draw an arrow pointing to the position corresponding to the α carbon of tyrosine.
Answer:
b
Explanation:
WRITE ABOUT A THEME: EVOLUTION. In a short essay (100-150 words), discuss Darwin's view of how natural selection resulted in both unity and diversity of life on Earth. Include in your discussion some of his evidence. (See a suggested grading rubric and tips for writing good essays in the Study Area of Mastering Biology under "Write About a Theme.")
A brief description of how Darwin's view of natural selection resulted in both the unity and diversity of life on Earth with some of his evidence is:
Darwin was the first person to come up with the theory of natural selection, where he assumed that organisms adapt based on their environment.He discovered an interesting thing about the finches he found when he found that every finch that ate the best food had better beaks for eating seeds.In addition, if they found insects as food, they adapted to use shorter beaks to catch and eat the insects.Finches must constantly adapt to each new environment in order to survive and thrive, like all organisms.To learn more about natural selection, refer to:
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on the basis of the principle of complementary base pairing, you would expect the percentage of in an individual’s dna to be equal to the percentage of . qiizlet
On the basis of the principle of complementary base pairing, you would expect the percentage of adenine in an individual’s DNA to be equal to the percentage of thymine.
What is complementary base pairing?The expression that denotes the complementary base pairing makes reference to the arrangement of nucleotides in the double helix of DNA.
In DNA, Adenine or A always pairs with Thymine or T (thereby the amount of A is equal to T), while Guanine or G always pairs with Cytosine or C (thereby the amount of G is equal to C).
Base complementarity is one of the most important rules in genetics and it is used to estimate nucleotide proportion, a process associated with gene expression in CpG islands.
In conclusion, on the basis of the principle of complementary base pairing, you would expect the percentage of adenine in an individual’s DNA to be equal to the percentage of thymine.
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Which statement describes carbon's unique bonding ability?
O Carbon can easily form 2 covalent bonds with other atoms.
O Carbon can only bond with other carbon atoms.
O Carbon can bond with all other atoms.
O Carbon can easily form 4 covalent bonds with other atoms
Answer:
the answer is the last option.
carbon has a valency of 4. as such, it can combine with other elements such as hydrogen, nitrogen and oxygen to form new compounds by sharing electrons in a covalent bond.
A male stickleback fish attacks other males that invade its nesting territory (see Figure 51.2a ). Predict the likely pattern of dispersion for male sticklebacks, and explain your reasoning.
Male sticklebacks are thought to disperse uniformly, with antagonistic encounters preserving a largely constant distance between them.
Sticklebacks :
Sticklebacks are members of the fish family Gasterosteidae. They share ancestry with seahorses and pipefish. Small fish known as sticklebacks can be found in lakes, streams, brackish systems, and the ocean. Sticklebacks are less sensitive to salinity than the majority of other fishes, and they frequently coexist in fresh, brackish, and marine ecosystems.
Are sticklebacks edible ?Although sticklebacks aren't typically considered to be edible, they can supposedly be used to produce "a excellent and healthy fish-soup.
Size of sticklebacks :Sticklebacks are tiny, elongated fish that can grow up to 18 centimeters in length (7 inches). The family's members can be identified by a row of 2 to 16 spines on the back that are arranged in front of a dorsal fin with soft rays.
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Hyro Moore had a dream about what piece of equipment
Answer: A cucumber riding a bike
Explanation:
I have no clue what you wanted but i thought add some comedy
Suppose an infection in a side-blotched lizard population killed many more males than females. What would be the immediate effect on male competition for reproductive success?
Even though females is now present in the much increasing proportions than males, all 3 kinds of males must have some reproductive fitness. Nevertheless, since the benefit that the blue-throats rely on—a limited number of females in their territory—will be missing, the golden are likely to boost in frequency in the short term.
What are the innate behaviours?Untrained behaviour that can be carried out in response to a cue without any prior training is known as innate behaviour. Reflex actions are very basic, innate behaviours, such as the knee reflex that doctors test for and the infant reflex.
Animals inherit their innate behaviour from their ancestors. Examples of an animal's intrinsic behaviour include its instincts. For instance, migratory birds employ instinctive behaviour.
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When performing an extraction with between an aqueous solution and organic solution what determines which layer ends up the bottom layer in the separatory funnel ?.
Answer:
When performing an extraction with between an aqueous solution and organic solution density determines which layer ends up the bottom layer in the separatory funnel.
Explanation:
For separating liquids, separatory funnel are used.
higher density liquid would accumulate at the bottom of the separatory funnel.
This aqueous layer, which contains water, is polar in nature, whereas the organic layer is nonpolar.
Because it can dissolve more things than every other liquid, water is known as the universal solvent. A hydrogen atom within water does have a positive charge, while the oxygen atom posses a negative charge. H2O is a polar covalent molecule.
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How are the functions of FSH and LH in females and males similar?
The similar main function of FSH and LH in females and males is to follow up the gonadal cell and release sex hormones.
The hormones FSH and LH are gonadotropin hormones orchestrated by the front portion of the pituitary organ. These hormones serve comparative capabilities in the male and female bodies.
The FSH hormone is demonstrated by stimulating the development of tissues that manage the development and sustenance of the gametic cells. The capability of LH in both sexes is to set off the blend of essential sex hormones (testosterone and estradiol).
The follicle-stimulating hormone (FSH) and luteinizing hormone (LH) are gonadotropins that are delivered because of the feeling of the gonadotropin-releasing hormone (GnRH). These hormones have a comparative capability in the reproduction of the two females and males.
The prime function of FSH is to follow up on the gonadal cells and stimulate their development which thus capability to give sustenance to the creating gametic cells.
The function of LH is to improve the release of sex hormones from the gonadal cells (primarily estradiol in female bodies and testosterone in males); these hormones, thus, stimulate the course of gamete creation.
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if you were designing a policy to protect islands from invasive species what types of islands would you choose to focus on and why
If i was designing a policy to protect islands from invasive species, the types of islands which would be focused on is Pacific island due to the absence of natural competitors which control the ecosystem.
What are Invasive species?This is referred to organisms who aren't indigenous to an area and end up becoming overpopulated in the given area.This therefore leads to the organisms causing economic and environmental harm to the new area.
This is usually caused when there is an absence of natural predators or competitors which control the ecosystem in the area which is the reason why there is a high increase in population growth.
The Pacific island has a very low number of these natural predators and is therefore the reason why a policy will be designed in other to protect it from invasive species.
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Describe one invertebrate mechanism of defense against pathogens and discuss how it is an evolutionary adaptation retained in vertebrates.
Invertebrates exhibit an innate immunity system and do not show the presence of an adaptive immune system .
What is an example of the invertebrates defence mechanism?The earliest physical defence against disease in insects is an exoskeleton . Lysozymes, an enzyme that disintegrate bacterial cell walls and serves as a barrier for antibodies ,protects the digestive system. Hemocytes the main immune cells , perform phagocytosis and can release antimicrobial peptides.
Invertebrates exhibit an innate immune system and do not show the presence of an adaptive immune system. Physiochemical barriers and cellular defence system fight against Microbial infections.
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the four body systems that interact to allow a person to sneeze?
Answer:
The sneeze centre sends signals to the parts of your body that need to work together to help you sneeze. Your chest muscles, diaphragm, abdominals, vocal cords and the muscles in the back of your throat all work together to help you expel the irritant.
Explanation:
Explain how ice floating on the surface of a body of water affects the water in a way that is beneficial to the organisms in it.
ice floating on the surface of a body of water insulate the water in a way that the ice layer insulates the water below it by insulating the top of lakes and seas, allowing it to stay liquid, which allows the life within it to survive.
but sometimes it has negative impact on sea organism because When ice forms across the surface of a lake, it seals off the water from atmospheric oxygen exchange and blocks out much of the light that is necessary for aquatic plants and phytoplankton to produce oxygen within the lake. Throughout the winter oxygen levels in the lake slowly decline. so organism may face difficulties to survive .
If ice didn't float it would form at the bottom of a body of cold water rather than the top. The water would continue radiating heat away from its surface and so would get colder and colder until the water and everything in it had frozen solid from the bottom up. and organisms will die.
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Which of the spiral staircases in the photos is the better analogous representation of a dna molecule?
]The better representation of a DNA molecule will be the one with grooves in staircase.
What a DNA?The DNA ( deoxy ribonucleic acid) can be described as the molecule inside cells that contains the genetic information responsible for the development and function of an organism.
DNA molecules allows information to be passed from one gene to another through the process of hereditary.
The DNA of most organisms are found inside the nucleus of a cell, where it forms the chromosomes.
The structure of the DNA has been found to be two polynucleotide chains that coil around each other to form a double helix carrying genetic instructions for the development, functioning, growth and reproduction of all known organisms and many viruses.
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Which part of the brain's core is responsible for sorting information and relaying it to appropriate areas in the forebrain for further integration and interpretation?
Thalamus is the brain's core which is responsible for sorting information and relaying it to appropriate areas in the forebrain for further integration and interpretation.
Thalamus is also called the relay center. It is in the shape of an egg, present in the middle of the brain. It receives all the motor as well as the sensory information from the whole body except for smell. The injury or damage in the thalamus can result in the state of coma.
Forebrain is the largest portion of the brain that constitutes the major components like cerebrum, hypothalamus, thalamus, etc. It regulates majority of the functions like thinking, processing, language, etc.
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Imagine you are standing at a microphone in front of a crowd. Checking your notes, you begin speaking. Using the information in this chapter, describe the series of events in particular regions of the brain that enabled you to say the very first word.
If your body is too hot, the hypothalamus will sweat. If you're too cold, the hypothalamus will make you shiver. Chills and sweating are attempts to raise your body temperature.
Summary:Your frontal, temporal, and parietal lobes form what you want to say, and the motor cortex in your frontal lobe allows you to say those words.
The cerebral cortex area responsible for organizing, directing, and carrying out voluntary motions is known as the motor cortex. Classically, the motor cortex is an area of the frontal lobe located in the posterior precentral gyrus just anterior to the central lobe.
What is the hypothalamus?The hypothalamus is an area of the brain that produces the hormone that controls: Body temperature. Heartbeat. Starvation. Surroundings.
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r. synthesis and microcontact printing of dual end-functionalized mucin-like glycopolymers for microarray applications angew. chem.
Glycopolymer can be utilized to display glycans on microarrays in native-like architectures.
What is Glycopolymer?Glycopolymer is a manmade polymer that has carbohydrates hanging from it. Glycopolymer are crucial for many biological recognition processes, including cell-cell adhesion, the growth of new tissues, and the virulent behaviour of bacteria and viruses.
Glycopolymer are crucial for many biological recognition processes, including cell-cell adhesion, the growth of new tissues, and the virulent behaviour of bacteria and viruses. They hold great promise for the manufacture of biocompatible materials, tissue engineering, and targeted medication delivery.
A synthetic polymer having hanging carbohydrates is called a Glycopolymer. Many biological processes, including cell-cell adhesion, the development of new tissues, and the behaviour of bacteria and viruses in spreading, depend on Glycopolymer.
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Based on your understanding of biological macromolecules, the number of unique monomer molecules that is common to living organisms is closest to which number?.
Based on the understanding of biological macromolecules, the number of unique monomer molecules that is common to live organisms is close to <100.
Macromolecules are comprised of various monomers that are found in living organisms. The unique monomers common to living organisms are around 100 molecules. The four main macromolecules are nucleic acids, proteins, carbohydrates, and lipids. They carry out crucial tasks including supporting the structure, serving as a reservoir for stored energy, storing and retrieving genetic data, and accelerating metabolic operations.
Macromolecules are enormous molecules that fill a cell and give it vital life-sustaining activities. Macromolecules, for instance, offer structural support, serve as a reservoir for stored energy, can store and retrieve genetic information, and can speed up biological operations. The nutrients the body requires to survive are provided by food.
Biological macromolecules, or big molecules, are present in many of these essential nutrients and are required for life. These polymers (macromolecules) are constructed from various combinations of smaller organic molecules (monomers).
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Of a very humid day, people with chronic respiratory diseases may experience greater difficuly breathing because?
Of a very humid day, people with chronic respiratory diseases may experience greater difficulty breathing because humid air has more density and therefore it increases the resistance in the airway of the respiratory system.
Chronic respiratory diseases are those that create problems in the airways and make the breathing difficult. There are two most harmful disease: asthma and chronic obstructive pulmonary disease (COPD). The conditions may also lead to lung cancer.
Airway of the respiratory system is the pathway through which the air reaches inside the lungs. The organs involved in the airway are: nostrils, pharynx, larynx, trachea and bronchi.
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