Course

Other

Study Pack

Set 3 Signal Transductionmembrane Receptorssecond Messengersand Regulation Of Gene Expression

Back to Sets
Question 1

(Multiple Choice)

Free
A typical flow of information in a signal transduction pathway would be which of the following?

A)Receptor \rightarrow G protein \rightarrow second messenger \rightarrow biological response
B)Hormone \rightarrow second messenger \rightarrow G protein-coupled receptor (GPCR) \rightarrow biological response
C)Hormone \rightarrow second messenger \rightarrow GPCR
D)Hormone \rightarrow receptor \rightarrow second messenger \rightarrow GPCR \rightarrow biological response
E)GPCR \rightarrow second messenger \rightarrow biological response

Answer

Question 2

(Multiple Choice)

Free
Molecules that are produced by cells and act locally on other cells are called:

A)Steroid hormones.
B)Receptors.
C)Paracrine hormones.
D)Phosphatases.
E)Iodothyronines.

Answer

Question 3

(Multiple Choice)

Free
The negative side effects of nonsteroidal antiinflammatory drugs (NSAIDs)on the cardiovascular system are mediated by inhibition of which enzyme?

A)Cyclooxygenase-1 (COX1)
B) γ\gamma -Secretase
C)Presenilin 1
D)Cyclooxygenase-2 (COX2)
E)Adenylate cyclase

Answer