Glucagon is a hormone that signals the liver when blood sugar is low. For each of the following enzymes, indicate whether you would expect that glucagon would lead to (A) an increase, (B) a decrease or (C) have no effect on these enzymes activity in the liver.

a. Fructose - 1,6-bisphosphatase

b. Fructose-2,6-bisphosphatase

c. Phosphofructokinase - 1

d. Phosphofructokinase-2

e. Phosphorylase kinase

f. Glycogen phosphorylase

g. Glycogen synthase

h. Glyceraldehyde 3-phosphate dehydrogenase

i. Enolase

j. Phosphoglycerate kinase

k. Pyruvate kinase

l. Protein Phosphatase 1A

Question

William Dorsey

Biology

17 July, 22:33

Glucagon is a hormone that signals the liver when blood sugar is low. For each of the following enzymes, indicate whether you would expect that glucagon would lead to (A) an increase, (B) a decrease or (C) have no effect on these enzymes activity in the liver.

a. Fructose - 1,6-bisphosphatase

b. Fructose-2,6-bisphosphatase

c. Phosphofructokinase - 1

d. Phosphofructokinase-2

e. Phosphorylase kinase

f. Glycogen phosphorylase

g. Glycogen synthase

h. Glyceraldehyde 3-phosphate dehydrogenase

i. Enolase

j. Phosphoglycerate kinase

k. Pyruvate kinase

l. Protein Phosphatase 1A

+3

Answers (1)

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Chaz Huber · Answer 1

a. Fructose - 1,6-bisphosphatase (High)

b. Fructose-2,6-bisphosphatase (High)

c. Phosphofructokinase - 1 (High)

d. Phosphofructokinase-2 (High)

e. Phosphorylase kinase (Neutral)

f. Glycogen phosphorylase (Low)

g. Glycogen synthase (Low)

h. Glyceraldehyde 3-phosphate dehydrogenase (High)

i. Enolase (High)

j. Phosphoglycerate kinase (High)

k. Pyruvate kinase (High)

l. Protein Phosphatase 1A (Neutral)