Multiple Choice
Some chemical signal molecules are excluded from entering the cell whereas others are able to enter. Based on your knowledge of the structure of cell membranes, which of the following signal molecules would be able to pass through the cell membrane?
A) Water-soluble chemical signals
B) Esterified chemical signals
C) Phenolic-based chemical signals
D) Carbonylic chemical signals
E) Lipid-soluble chemical signals
Correct Answer:

Verified
Correct Answer:
Verified
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