The cell membrane is population with proteins,lipids, and carbohydrates.
There are so many examples for that in different areas, like steroidal compounds experiment carried out in our lab recently.
Here's one link: hhttp://www.alfa-chemistry.com/products/steroidal-compounds-8.htm
I think it is c
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Answer:
C) hindbrain is the correct option
Explanation:
Hope it helps you