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satela [25.4K]
3 years ago
8

Explain why two different ligands can produce the same cellular response

Biology
1 answer:
frosja888 [35]3 years ago
3 0
The same ligand can bind to different receptors causing different responses (e.g.. acetylcholine). On the other hand, different ligands binding to different receptors can produce the same cellular response (e.g. glucagon, epinephrine).
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What is the main difference between protein domains and protein subunits? Group of answer choices1. Protein domains do not have
shusha [124]

Answer: 2. Each subunit represents a separate polypeptide chain, while one polypeptide chain may contain several domains.

Explanation: Each subunit constitutes of one polypeptide chain. A polypeptide chain has one particular gene coding for it. thus it simply implies that a protein must have one gene for each subunit.

Many proteins is made up of different protein domains. A particular domain may appear in a variety of different proteins.

domains are stable on there own, they can be exchanged via genetic engineering between one protein and another.

3 0
3 years ago
Protein digestion begins in the stomach where hydrochoric acid denatures protein and pepsin breaks down protein.
sergeinik [125]

Answer:

True

Explanation:

Check your books/notes/lectures to verify

5 0
3 years ago
What are organisms?
IRISSAK [1]
I'd say D but i'm not 100% sure
8 0
3 years ago
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A biologist studying a desert ecosystem observes that the population of a lizard species increases following a particularly hot,
bekas [8.4K]
Based on the description of events, being that the lizard population appears to increase as soon as the snake population decreases, it appears that the snakes prey on the lizards. This suggests that the snake is a keystone species. A keystone species is one that has a dramatic effect on maintaining the balance of an ecosystem. As soon as the snake population decreases, major changes occur to the ecosystem, such as the lizard population increasing.

Therefore, the answer is D: <span>The snake is a keystone species in the ecosystem.</span>
3 0
3 years ago
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A scientist wants to know wheter a particular cell is round or rectangular.How should the scientist observe the overall shape of
dezoksy [38]

Answer:

<em>The shape of a cell can easily be seen through a light microscope.</em>

Explanation:

A microscope can be defined as a device which is used to visualize things which are otherwise not visible to the naked eye. The shape of a cell can be seen even through a light microscope. For example, an animal cell can be seen to have a round shape under the light microscope, a plant cell will be seen rectangular under the light microscope.

Other microscopes such as the electron microscope can even show the organelles present inside the cell.

5 0
3 years ago
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