Course

Anatomy & Physiology

Study Pack

Set 9 Cell Signaling

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Question 1

(Multiple Choice)

Free
Which is the CORRECT order for these steps in cell signaling?

A)signal transduction, receptor activation, response
B)response, signal transduction, termination
C)receptor activation, response, signal transduction
D)receptor activation, signal transduction, response

Answer

Question 2

(Multiple Choice)

Free
The ability of a specific tissue or organ to respond to the presence of a hormone is dependent on:

A)the location of the tissue or organ with respect to the circulatory path.
B)the membrane potential of the cells of the target organ.
C)the presence of the appropriate receptors on the cells of the target tissue or organ.
D)nothing. All hormones of the body are able to stimulate all cell types because hormones are powerful and nonspecific.

Answer

Question 3

(Multiple Choice)

Free
Which of the following is NOT an essential element involved in communication between all cells?

A)responding cell
B)signaling molecule
C)second messenger
D)receptor protein

Answer