Problem:

Question 1: Which is influenced most during a slow signaling cascade?

A.Enzyme activity

B.Translation

C.Protein degredation

D.Transciption

E.Quaternary Structure

F.B and D

G.D and E

H.All of the above

Question 2: Which of the following factors determines an enzyme's specificity?

A.The three-dimensional shape of the active site

B.The type of cofactor required for the enzyme to be active

C.The Michaelis constant

D.The prosthetic group on the enzyme

Which signalling molecule is affected by Viagra?

A.Nitric Oxide

B.Estrogen

C.cAMP

D.Testosterone

E.Thyroxine

F.Cortisol

Provide the correct answer and justification for your choice.