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Pepsi [2]
3 years ago
13

Which of the following enables a cell to pick up and concentrate a specific kind of molecule?

Biology
1 answer:
alex41 [277]3 years ago
5 0

The correct answer is option 4

Receptor mediated endocytosis is an endocytotic mechanism which involves ingestion of foreign molecules into the cell. It forms a receptor-ligand interaction. The receptors bind to the targetted  ligands on the outside of the cell

Receptors on the plasma membrane of the target tissue will specifically bind to ligands on the outside of the

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The concentration and toxicity of a chemical in the body is affected by: a. route of entry into the body b. received dose of the
alex41 [277]

Answer:

D.) All of the above

Explanation:

5 0
3 years ago
A person who has very toned muscles likely has.... A.extra nerve cells. B. lots of digestive enzymes. C.tightly packed myofibril
Zarrin [17]

We can confirm that a person with very toned muscles likely has tightly packed myofibrils.

<h3>What are myofibrils?</h3>

These fibers are the protein filaments that cause contractions in the structure of the muscle. Weight training tones muscles by increasing the number of myofibrils in a sarcomere, thus increasing its capacity to produce force.

Therefore, we can confirm that a person with very toned muscles likely has tightly packed myofibrils.

To learn more about muscle fibers visit:

brainly.com/question/1426285?referrer=searchResults

4 0
2 years ago
Small, uncharged substances enter and leave the cell membrane through the process of
FromTheMoon [43]

Simple Diffusion Across the Cell (Plasma) Membrane. The structure of the lipid bi-layer allows small, uncharged substances such as oxygen and carbon dioxide, and hydrophobic molecules such as lipids, to pass through the cell membrane, down their concentration gradient, by simple diffusion.

5 0
3 years ago
What is the primary psychosocial milestone of childhood? question 5 options:?
Zarrin [17]
<span>The primary psychosocial milestone of childhood is the positive development of self-concept. This usually begins at 18 months, but continues throughout childhood. Self-concept is simply how one views oneself and one's abilities.</span>
4 0
3 years ago
Use the cladogram about fish to answer the following questions.
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caca
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5 0
2 years ago
Read 2 more answers
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