Multiple Choice
The cells of multicellular organisms use a variety of molecules as signals which are
11. How Genes Are Controlled
Cell Signaling
Multiple Choice
Which of the following is likely to be a response by a receptor protein to an approaching signal molecule?
A
The receptor protein binds to the signal if it has a complementary shape.
B
If the signal is able to bind to the receptor it induces a change in the receptor protein's shape.
C
The change in the receptor protein's shape results in cellular action.
D
All of the above are correct.