Question

In the alpha helices of transmembrane proteins, the hydrophobic side chains

are facing:
A. the inside of the membrane-spanning helix.
B. the outside of the membrane-spanning helix.

Answer 1

In transmembrane proteins, the hydrophobic side chains face the inside of the membrane-spanning helix.

Step-by-step explanation:

In the alpha helices of transmembrane proteins, the hydrophobic side chains are facing the inside of the membrane-spanning helix.