Practice Questions From Revision Session

Question 1

Which of the following would most likely be an immediate result of growth factor binding to its receptor?

A) adenylyl cycles activity
B) GTPase activity
C) protein kinase activity
D) protein phosphatase activity
E) phosphorylase activity

Answer 1

C

Question 2

Activation of adenylyl cyclase has the opposite effect to activation of which of the following?

A) protein kinases
B) protein phosphatases
C) phosphorylases
D) phosphodiesterases
E) GTPases

Answer 2

D

Question 3

Which of the following are correct?

A. GTPase activating proteins (GAPs) help activate G proteins
B. Phosphodiesterases remove phosphate groups from proteins
C. Kinases add OH groups to serine/threonine residues on proteins
D. Phospholipase C generates IP3
E. Calcium is removed from the cell by voltage-gated ion channels
F. Steroid hormone receptors act as transcription factors

Answer 3

D and F

Question 4

*** might have to look into a different presentation to practice the data analysis style questions