Answer: true
Explanation:
The given statement "chives come from a plant in the onion family and have a mild onion flavor" is True. Chives are part of the onion family and have a mild onion flavor. They are a member of the genus Allium and are related to other onion-like plants, such as garlic and shallots. Chives have a mild, oniony taste and are often used as a garnish or in salads.
Chives grow in clumps, and have long, narrow, hollow green stems with small, round, purple-pink flowers. The leaves of the chive plant have a mild onion flavor that makes them a popular garnish and ingredient in salads. Chives are also used in a variety of sauces, stews, and soups.
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Why did Reginald Crundall Punnett go to Cambridge
University?
Answer:
Punnett devised the "Punnett Square" to depict the number and variety of genetic combinations, and had a role in shaping the Hardy-Weinberg law. Punnett and Bateson co-discovered "coupling" or gene linkage.
Explanation: plez DONT give brainliest
plant foods that do not provide all nine essential amino acids in proportions needed to synthesize protein adequately are called:
Plant foods that do not provide all nine essential amino acids are called Incomplete proteins.
What are amino acids?
Amino acids are organic compounds that contain both an amine and a carboxylic acid functional group. They are the building blocks of proteins, which are chains of amino acids. There are 20 different amino acids, which are classified according to the structure of their side chains.
Amino acids are important for a number of biological processes, including metabolism, enzyme function, and cellular communication.
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from the list of organ systems, select the ones that play a major role in homeostasis. (check all that apply.)
The nervous, endocrine, respiratory, cardiovascular, renal, digestive, and integumentary systems all play a major role in maintaining homeostasis.
Homeostasis refers to the body's ability to maintain a stable internal environment despite external changes. Several organ systems work together to maintain homeostasis.
The following are the organ systems that play a major role in homeostasis:
Nervous System: The nervous system is responsible for sending and receiving signals from various parts of the body. It plays a significant role in maintaining homeostasis by detecting changes in the internal and external environment and coordinating appropriate responses to restore balance.Endocrine System: The endocrine system is responsible for producing and releasing hormones into the bloodstream. Hormones regulate various physiological processes, including metabolism, growth and development, and the body's response to stress. The endocrine system works closely with the nervous system to maintain homeostasis.Respiratory System: The respiratory system is responsible for exchanging gases between the body and the environment. It helps to maintain homeostasis by regulating the levels of oxygen and carbon dioxide in the blood.Cardiovascular System: The cardiovascular system is responsible for transporting blood and nutrients throughout the body. It plays a crucial role in maintaining homeostasis by regulating blood pressure, heart rate, and blood flow to various organs.Renal System: The renal system, also known as the urinary system, is responsible for removing waste products from the body and regulating the levels of water and electrolytes in the blood. It helps to maintain homeostasis by ensuring that the body's internal environment remains within a narrow range.Digestive System: The digestive system is responsible for breaking down food and absorbing nutrients. It plays a crucial role in maintaining homeostasis by regulating the levels of nutrients and electrolytes in the blood.Integumentary System: The integumentary system includes the skin, hair, and nails. It helps to maintain homeostasis by regulating body temperature and protecting the body from external threats.Learn more about Homeostasis:
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the structures in the bodies of many organisms have levels of organization that help the body to carry out life processes. which list correctly shows how these levels are organized from the simplest to the most complex?
The levels of organization in the bodies of many organisms, from the simplest to the most complex, are: atoms, molecules, organelles, cells, tissues, organs, organ systems, and the human organism.
Molecules, cells, populations, and ecosystems are the order in which levels of organization from the simplest to the most complex are properly presented. Populations of creatures, which are composed of cells and molecules, make up ecosystems.
Cells - the basic unit of lifeTissues - a group of cells with similar structure and functionOrgans - a collection of tissues that work together to perform a specific functionOrgan systems - a group of organs that work together to carry out a particular function in the bodyOrganism - a complete living entity composed of multiple organ systems working in harmony.So, the correct order would be:
Cells → Tissues → Organs → Organ Systems → Organism.
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how is the bulk of carbon dioxide transported in blood?
The bulk of carbon dioxide (CO2) is transported in blood in three forms:
As bicarbonate ions (HCO3-)
Dissolved in plasma
Bound to hemoglobin
In the blood, CO2 combines with water to generate carbonic acid (H2CO3), which breaks down into bicarbonate ions and hydrogen ions. The major portion of CO2 transport is made up of the bicarbonate ions, which are transported in the blood plasma.
In Plasma-dissolved CO2 A tiny portion of CO2 is directly dissolved in blood plasma and is delivered as a gas.
A little amount of CO2 is bound to the amino acids in hemoglobin molecules in red blood cells and is then transferred to the lungs for exhalation.
The process of carbon dioxide transport in the blood is regulated by a complex system involving the respiratory, circulatory, and nervous systems. The concentration of CO2 in the blood is monitored by chemoreceptors in the brain, which signal the respiratory system to adjust the rate and depth of breathing to maintain normal levels of CO2 in the blood.
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In 1981, a couple found a stray kitten whose unusual ears curled up and back from her head. They decided to breed her with their male cat who is homozygous for the allele for normal ears. The first litter of kittens produced two kittens with normal ears and two kittens with curled ears. Subsequent litters with the same parents showed the same ratio of curled ears to normal ears. When curled-ear offspring were mated with other curled-ear offspring, three-fourths of the kittens had curled ears and one-fourth had normal ears. This new trait was determined to be the result of a new and unique mutation in the ear gene of cats, and cats with this trait were named American curl cats.
In American curl cats, the allele that produces the ear-curling trait is which?
The allele that produces normal ears is which?
Dominant
Recessive
Page 120
In American curl cats, the allele that produces the ear-curling trait is dominant, while the allele that produces normal ears is recessive. This can be determined from the fact that when curled-ear offspring were mated with other curled-ear offspring, three-fourths of the kittens had curled ears and one-fourth had normal ears, indicating that the ear-curling trait is dominant over the normal ear trait.
In American curl cats, the allele that produces the ear-curling trait is dominant. Dominance is a characteristic of an allele that expresses its phenotype in a heterozygote, such that it masks the expression of a recessive allele. When curled-ear offspring were mated with other curled-ear offspring, three-fourths of the kittens had curled ears and one-fourth had normal ears.
The allele that produces normal ears is recessive. Recessive traits are only expressed in a homozygous state, and that are not expressed in a heterozygous state because a dominant allele mask it. The first litter of kittens produced two kittens with normal ears and two kittens with curled ears. The parents were heterozygous, with one carrying the dominant curled allele and the other carrying the recessive normal allele.
In summary, in American curl cats, the allele that produces the ear-curling trait is dominant. The allele that produces normal ears is recessive.
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which dish is your positive control for a cellular response to testosterone, and which dish is your negative control ?
In a cellular experiment to study testosterone response, the positive control is a group of cells known to respond to testosterone, whereas the negative control is a group of cells known to not respond to testosterone.
The positive control is necessary to demonstrate that cells can respond to testosterone and to establish a baseline for cellular response.The negative control is used to ensure that any response observed in the experimental group is due specifically to the treatment with testosterone and not to other factors, such as the fetal bovine serum (FBS) used for cell culture.In general, the positive and negative controls are necessary to establish the specificity of the treatment and to guarantee the quality of the results of the experiment. Both controls are essential to establish the specificity of the treatment and to minimize the effects of other factors on the results of the experiment.
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inevitable, involuntary responses to stimuli that are primarily controlled by circuits located in the spinal cord and brainstem are referred to as .
The inevitable, involuntary responses to stimuli that are primarily controlled by circuits located in the spinal cord and brainstem are referred to as reflexes.
Reflexes are involuntary responses to certain stimuli that occur without any conscious thought. They are typically automatic and rapid responses to specific stimuli and involve both the peripheral and central nervous systems. The pathways that transmit reflex signals involve afferent and efferent nerve fibers that travel between the spinal cord and brainstem and the muscles and organs being stimulated.
For example, when a doctor taps your knee with a reflex hammer, the impulse is sent along the sensory neurons to the spinal cord and then back to the muscles of the leg causing them to contract. Other reflexes involve unconscious actions such as sweating, blinking, and pupil constriction. Reflexes play a role in coordination of muscle activities, posture, and balance and provide a basis for motor learning.
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albinism is a condition in which pigmentation is lacking. in humans, the result is white hair, nonpigmented skin, and (usually) blue eyes. the trait in humans is caused by recessive alleles. two normal parents have an albino child. what is the probability that their next child will be albino? explain your reasoning.
If two normal parents have an albino child, the probability that their next child will be albino is 25%.
If two normal parents have an albino child, this indicates that both parents are carriers of the recessive allele for albinism. In this case, each parent would have one normal allele and one recessive allele for the trait.
The probability that their next child will be albino depends on the genotype of each parent. If both parents are carriers of the recessive allele, then each has a 25% chance of passing on the recessive allele to their offspring, and a 75% chance of passing on a normal allele.
Using a Punnett square to illustrate this, we can see that each parent would have the genotype Aa (where A represents the normal allele and a represents the recessive allele). The Punnett square for a cross between two Aa individuals is shown below:
A a
A AA Aa
a Aa aa
From this Punnett square, we can see that there is a 25% chance (1 out of 4) that the next child of these parents will inherit two copies of the recessive allele (aa) and thus have albinism.
There is also a 50% chance (2 out of 4) that the child will be a carrier like the parents (Aa), and a 25% chance (1 out of 4) that the child will inherit two copies of the normal allele (AA) and will not have albinism.
Therefore, the probability that their next child will be albino is 25%.
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what are at least three different types of asexual reproduction and give an example of an organism that reproduces in that way
Answer:
Three types of asexual reproduction are binary fission, budding, and fragmentation. Prokaryotes reproduce asexually, through binary fission. Jellyfish reproduce asexually through budding. Fungi reproduce asexually through fragmentation.
Explanation:
:)
A scientist is comparing the dna sequences of three different organisms. which evidence would support the conclusion that all three organisms are closely related?
If a scientist is comparing the DNA sequences of three different organisms and wants to conclude that all three organisms are closely related, they would look for evidence of similarity in their DNA sequences
They would specifically search for the following proof:
High degree of sequence similarity: If there is a great deal of similarity between the DNA sequences of the three organisms, this may indicate that they are closely related and had a common ancestor.
Shared genetic characteristics: The existence of particular genes or genetic markers in all three creatures shows that they are closely related and descended from a single species.
Genes or sequences that are conserved: If the three creatures contain genes or sequences that are conserved, it is likely that they have a common evolutionary history and are related.
Geographical distribution: If all three organisms are present in the same area, this is indicative of their close kinship and same ancestry.
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explain why the mango slices swell up when placed in water
16. According to the passage set, which TWO events MOST likely led to the extinction of the dodo?
A. Over time, pigeons evolved into what is known as the dodo.
B. Dodos ate small stones to help with digestion.
New species introduced to the island began hunting the dodo.
D. The dodo laid single eggs in nests on the ground.
Answer: It's C.
Explanation: The dodo once lived on an uninhabited island where there were no predators, so they evolved and became flightless and slow.
Then one day, the Dutch came and brought dogs with them. The dodos were too slow. The eggs got stolen and eaten, dodos were killed, and the dodos didn't repopulate fast enough, so they went extinct.
why must heat or a surface-active agent be used with application ofthe primary stain during acid-fast staining
Heat or a surface-active agent must be used with the application of the primary stain during acid-fast staining because the cell wall of acid-fast bacteria is impermeable to stains.
This means that the primary stain is unable to penetrate the cell wall of these bacteria without the aid of heat or a surface-active agent such as carbolfuchsin.
In other words, heat or a surface-active agent is used to help the primary stain penetrate the cell wall of acid-fast bacteria, allowing it to bind to the lipids in their cell walls. This makes the bacteria visible under a microscope and helps to differentiate them from non-acid-fast bacteria, which do not have such impermeable cell walls.
The process of acid-fast staining involves the use of heat or a surface-active agent with the primary stain to help it penetrate the cell wall of acid-fast bacteria. This is necessary because the cell wall of these bacteria is impermeable to stains, making it difficult to visualize them under a microscope. By using heat or a surface-active agent, the primary stain is able to bind to the lipids in the cell wall of these bacteria, making them visible under a microscope. This helps to differentiate them from non-acid-fast bacteria, which do not have such impermeable cell walls.
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what can act as a vector to introduce new genes into a cell? what can act as a vector to introduce new genes into a cell? ligase primers plasmids restriction enzymes
Answer: Plasmids can act as a vector to introduce new genes into a cell.
What are plasmids?
Plasmids are tiny, double-stranded circular DNA fragments that can replicate themselves separately from the bacterial chromosome. Plasmids are often transferred between bacterial cells and may convey advantages such as antibiotic resistance or the capacity to use unusual nutrients.
To add new genetic material to the bacterial chromosome, plasmids are often used. Plasmids can be taken up by bacterial cells and then expressed.
They may be tailored to contain the genes that are needed for the target cells to accept them. Ligase, primers, and restriction enzymes are all essential components of molecular cloning, which is the method of producing numerous identical copies of a gene.
These components are necessary to link the DNA of the gene to be copied to the vector (e.g., plasmids) that will be used to deliver it to the host cells.
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Mass of crucible = l0g
Mass of crucible and soil before heating = 28g
Mass of crucible and soil after heating = 18g.
Determine the percentage of water in the given soil sample.
Thank you!
Answer:
Mass of soil = (mass of crucible and soil after heating) - (mass of crucible) = 18g - 10g = 8g
Mass of water in soil = (mass of crucible and soil before heating) - (mass of crucible and soil after heating) = 28g - 18g = 10g
Percentage of water in soil = (mass of water in soil / mass of soil) x 100%
= (10g / 8g) x 100%
= 125%
Therefore, the percentage of water in the given soil sample is 125%. However, it is not possible to have more than 100% of a substance in a mixture. This result may indicate that there was an error in the measurements or calculations.
Answer:
Explanation:
To determine the percentage of water in the soil sample, we need to find the mass of water lost during heating.
Mass of water lost = Mass of crucible and soil before heating - Mass of crucible and soil after heating
= 28g - 18g
= 10g
Now, we can calculate the percentage of water in the soil sample.
Percentage of water = (Mass of water lost / Mass of crucible and soil before heating) * 100
= (10g / 28g) * 100
= 35.71%
Therefore, the percentage of water in the given soil sample is approximately 35.71%.
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the process that plants use to make glucose from carbon dioxide and water in the presence of the sun's heat and light is called .
The process that plants use to make glucose from carbon dioxide and water in the presence of the sun's heat and light is called photosynthesis.
Photosynthesis is the process by which green plants use the energy of sunlight to convert carbon dioxide and water into organic compounds. During photosynthesis, light energy is converted into chemical energy, which is stored in the bonds of glucose molecules. The glucose molecules then provide a source of energy for the plant.
Photosynthesis is a two-step process. In the first step, energy from light is absorbed and used to convert carbon dioxide and water into energy-rich organic molecules (sugars) and oxygen. In the second step, the energy stored in these molecules is used to create the chemical energy needed for the plant to grow and reproduce.
The process of photosynthesis can be described in more detail by the equation:
6CO_2 + 6H_2O --> C_6H_1_2O_6 + 6O_2
This equation can be broken down into two parts: the light-dependent reaction and the light-independent reaction. The light-dependent reaction uses energy from light to convert water and carbon dioxide into energy-rich compounds. The light-independent reaction uses the energy from the compounds created in the light-dependent reaction to produce sugars and other molecules needed for growth and reproduction.
In summary, photosynthesis is the process by which green plants use the energy of sunlight to convert carbon dioxide and water into organic compounds, which provide the energy needed for the plant to grow and reproduce.
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Calculating volume (formula) and density of regular shaped objects
Please help I need to complete this assignment fast :( I’m not sure on how to do it, If you don’t know how to do it don’t answer pls
The volume and density of regular-shaped objects be determined using their formulas as follows:
Volume of Rectangular prism: V = l * w * h
Density = Mass / Volume
How can the volume (formula) and density of regular shaped objects be determined?To calculate the volume of a regular-shaped object, use the appropriate formula for that shape.
Here are some common regular shapes and their volume formulas:
Cube: V = s^3, where s is the length of one side of the cube.
Rectangular prism: V = lwh, where l is the length, w is the width, and h is the height of the prism.
Cylinder: V = πr^2h, where r is the radius of the base and h is the height of the cylinder.
Sphere: V = 4/3πr^3, where r is the radius of the sphere.
To calculate the density of a regular-shaped object, you need to know its mass and volume.
Density is defined as the mass per unit volume, so you can calculate it using the following formula:
Density = Mass / Volume
For example, if you have a cube with a side length of 2 cm and a mass of 10 g, you can calculate its volume as:
V = s^3 = 2^3 = 8 cm^3
Then, you can calculate its density as:
Density = Mass / Volume = 10 g / 8 cm^3 = 1.25 g/cm^3
Note that the units of density depend on the units used for mass and volume. In this case, the units are grams per cubic centimeter (g/cm^3).
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which of the following is a disadvantage associated with the genetic modification of crops? responses genetically modified crops have a decreased resistance to drought. genetically modified crops have a decreased resistance to drought. genetically modified crops have a shorter shelf life and are more difficult to transport long distances. genetically modified crops have a shorter shelf life and are more difficult to transport long distances. genetically modifications can decrease the genetic diversity of crop species. genetically modifications can decrease the genetic diversity of crop species. genetic modifications decrease nutritional content in foods.
The disadvantage associated with the genetic modification of crops is that genetic modifications can decrease the genetic diversity of crop species. This means that plants containing the same transgenes are bred together and cross pollination with other varieties is discouraged.
How genetic modification occurs in crops?Genetic modification of crops involves the use of recombinant DNA (rDNA) technology to modify the genetic makeup of a plant organism. This is usually done by introducing one or more gene sequences from a different organism in order to confer desirable traits, such as greater resistance to disease or improved nutritional content. The new gene sequences are created by isolating the desired gene from the donor organism and then inserting it into the plant using techniques such as viral vectoring, where the gene is incorporated into a viral genome, or direct DNA transfer, which involves directly transferring the gene into the plant's cells. The modified genes can be combined in various ways to produce new plants with desired characteristics.
What is cross pollination?Cross pollination is the process in which pollen from the male reproductive organ of one flower is transferred to the female reproductive organ of another flower, leading to the production of new seeds or fruits. It is a form of natural pollination that is responsible for the reproductive success of flowering plants.
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The basic building blocks in a human body are?
Explanation:
cells bro easy one mark brain list
Answer: CELLS
Explanation: The basic building block of a body is formed by a cell, a tissue, muscle, nerve, skin, blood etc. but billions of cells make up the human body
which of the following best describes a horticultural or descriptive classification system? group of answer choices organisms are grouped based on linnean classification organisms are grouped based on common ancestry organisms are grouped based on similar characteristics organisms are grouped based on reproductive parts
Option a. organisms are grouped based on Linnean classification organisms best describe a horticultural or descriptive classification system.
What is a descriptive classification system?A descriptive classification system is a purely descriptive system based on morphological differences between individuals, which can be used to categorize different species based on these differences but it does not reflect evolutionary relationships between such species in the classification.
Therefore, with this data, we can see that the descriptive classification system is used to categorize species based on their morphological differences regardless of their evolutionary relationships.
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Which birds have the longest migration trips?
A. Brent Geese
B. Great Snipe
C. Arctic Tern
D. Adélie Pengui
Arctic Tern has the longest migration trips of any bird. The Arctic Tern is known for its remarkable annual migration, which takes it from its breeding grounds in the Arctic regions to its non-breeding areas in the Antarctic and back again. So the correct option is C .
This round-trip migration covers a distance of approximately 44,000 miles (70,900 kilometers), making it the longest migration of any bird. The Arctic Tern spends most of its life in flight and can travel up to 56 miles (90 kilometers) per hour. Its migration is driven by the availability of food, with the birds following a route that takes them over areas of abundant prey.
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answer the questions bio 1 honors <3
Species, Population, and Gene Pool:
Species: a group of organisms that share common characteristics and can interbreed to produce viable offspring.
Population: a group of individuals of the same species living in a specific geographic area.
What is a gene pool?Gene Pool: the collection of all the genes and their different alleles within a population.
Allele frequency:
Allele frequency: the relative proportion of a particular allele in a population's gene pool.
Genotype vs. Phenotype:
Genotype: an individual's genetic makeup, which determines their inherited traits.
Phenotype: an individual's observable physical or behavioral traits, which result from the interaction between their genotype and environmental factors.
Sources of Genetic Variation:
Mutations: changes in DNA sequences that can result in new alleles.
Genetic Recombination during Sex: the shuffling and recombination of alleles during meiosis, which can generate new combinations of alleles.
Lateral Gene Transfer: the transfer of genetic material between different organisms, which can introduce new genes into a population.
Genes and Traits:
Single-gene Traits: traits that are determined by the expression of a single gene.
Polygenic Traits: traits that are determined by the expression of multiple genes.
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The most superior bone of the vertebral column is the _________. A) coccyx B) vertebra prominens C) axis D) atlas
The most superior bone of the vertebral column is the atlas, which is denoted as the first cervical vertebra.
The occipital bone of the skull articulates with the atlas, which is situated at the top of the vertebral column and permits head nodding. It is a ring-shaped bone that has no body that helps the head move freely while supporting the weight of the skull.
The most noticeable vertebra in the cervical region is the vertebra prominens, commonly referred to as the seventh cervical vertebra. It is situated close to the base of the neck. The most inferior bone of the vertebral column, commonly referred to as the tailbone, is the coccyx, which is made up of four fused vertebrae.
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a muscle spindle is a tonic proprioceptor. what happens to the signal on the sensory afferent neurons that come from the spindle when the muscle spindle is stretched?
When the spindle is stretched, it sends a signal through the sensory afferent neurons, which causes the muscle to contract. This contraction is an unconscious reflex known as the stretch reflex.
A muscle spindle is a tonic proprioceptor found in muscles that detects and measures changes in muscle length.
The stretch reflex occurs when a muscle is stretched, and the sensory afferent neurons send a signal to the alpha motor neurons. This signal causes the alpha motor neurons to initiate a contraction of the same muscle, resulting in a reflexive contraction of the muscle.
The signal sent from the sensory afferent neurons is an action potential, which is an electrical impulse generated by the sensory afferent neuron. This impulse travels to the alpha motor neuron which causes it to send an action potential to the muscle fibers, resulting in a contraction of the muscle.
The magnitude of the reflexive contraction of the muscle is dependent on the intensity of the stimulus received from the sensory afferent neurons. If the stimulus is too intense, the reflexive contraction will be too strong and may even cause a spasm in the muscle.
In conclusion, when the muscle spindle is stretched, the signal sent through the sensory afferent neurons causes a reflexive contraction of the same muscle, resulting in an unconscious response. The magnitude of the reflexive contraction is dependent on the intensity of the stimulus received from the sensory afferent neurons.
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1.3 Discuss the benefits of goal setting on your career choice.
Answer:
Here are a few reasons it's important to set long-term professional goals for yourself:
1.Provides motivation.
2.Gives you focus.
3.Shows your ambition.
4.Aligns your actions with your end targets.
5.Think about what's important to you.
6.Consider what you can realistically achieve.
7.Decide on the best methods for achieving your goals.
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if a neurotransmitter binds to the receptor on the postsynaptic cell and the response is a depolarization. True or False
The statement "if a neurotransmitter binds to the receptor on the postsynaptic cell and the response is a depolarization" is true.
When a neurotransmitter binds to a receptor on the postsynaptic cell, it can cause a response such as depolarization.
This depolarization is the result of an influx of positively charged ions into the postsynaptic cell, which causes a change in the cell's membrane potential.
This change in the postsynaptic cell's membrane potential can trigger a variety of downstream responses, such as the opening of ion channels or activation of other second messenger systems
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How does oil that's ingested by marine organisms move up the food web?
Answer:
through blood
Explanation:
because it's thick
The image displays a structure of fungi. Which of the following best describes the function of the structure displayed in the image below?
O Spore production
O Food absorption
O Water uptake
O Enzyme release
The feature that best describes the function of the structure displayed of a fungi is A, spore production.
What is the other functions of a fungi?Fungi are heterotrophic organisms that obtain nutrients by breaking down organic matter in their environment. They secrete enzymes that break down complex molecules such as carbohydrates, proteins, and lipids into smaller, more easily absorbed molecules.
The fungi then absorb these nutrients through their mycelia, which are networks of thread-like structures that extend into the surrounding environment. While fungi do produce spores as part of their reproductive cycle and can release enzymes, their primary function is to obtain food through absorption.
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Answer:
Spore production
Explanation:
I got it right on the test. Dont take this post down smh
the ability of the heart, lungs, and blood vessels to supply oxygen to the skeletal muscles during sustained activity is
Answer: Cardiorespiratory endurance
Explanation:
Answer:
your body getting flowing threw your body
Explanation:
bc it give your heart lungs and blood throwing