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allochka39001 [22]
3 years ago
15

Which of these extracellular signal molecules could diffuse through a plasma membrane and bind to an intracellular receptor?

Biology
1 answer:
stepladder [879]3 years ago
3 0

Answer:

Estrogen.

Explanation:

Plasma membrane is made of lipids and proteins. The lipids are arranged in bilayers and proteins are embedded or may span the lipid bilayer. The carbohydrates are attached on the surface of the membrane.

The molecules that are lipophillic in nature can easily diffuse through the plasma membrane. Among the molecules listed in the question, estrogen is highly lipophillic in nature and can easily cross the lipid bilayer of the plasma membrane.

Thus, the correct answer is option (d).

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