Question

Cam

Which statement explains the passage of a serine, an amino acid through the selectively permeable plasma membrane?
A)
This molecule is too large to pass through the cell membrane.
B)
This molecule can pass through the cell membrane using a protein pump
and ATP.
C)
This molecule would easily pass through the phospholipid bilayer, due to
the polar side chains.
D
This molecule must utilize a transport protein to cross the cell membrane
due to its large size and polar side chains.

Answer 1

D. molecule must utilize a transport protein to cross the cell membrane due to its large size and polar side chains.

Step-by-step explanation:

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