Sugar & Insulin

Question 1

What hormone stores glucose in adipose tissues?

Answer 1

Insulin

Question 2

Decreased insulin will result in increased?

Answer 2

Gluoconeogenesis

Question 3

What is phosphorylated in an insulin receptor?

Answer 3

Tyrosine

Question 4

What needs a protein transporter to cross the cell membrane?

Answer 4

Glucose via GLU 4

Question 5

Glucagon signal through?

Answer 5

cAMP

7-transmemrane receptor coupled to a G protein+cAMP

Question 6

What is intracellular element of glucagon?

Answer 6

cAMP

Question 7

Glucagon & epinephrine both have what in common?

Answer 7

Glycogenolysis + gluconeogenesis

Question 8

Oxidative phosphorylation occurs in what enyzme?

Answer 8

Pyruvate dehydrogenase

Question 9

What enzyme is used for decaboxylation?

Answer 9

Pyruvate decarboxylase

Question 10

Rate limiting enzyme for glycolysis?

Answer 10

PFK

Question 11

What is not found in the muscle?

Answer 11

Glucose-6- phophate

Question 12

Glucose is sequestered by which enyzme?

Answer 12

Hexokinase

Question 13

What is NOT true regarding hexokinase & glucokinase?

Answer 13

They have the same Km (Glucokinase is higher ==> more affinity)

Question 14

UTP glucose reacts with what in glycogen synthesis?

Answer 14

Glucose 1 phophate

Question 15

What enzyme produce oxaloacetate?

Answer 15

Pyruvate caboxylase

Question 16

What is the main source of glycerol?

Answer 16

Glucose/Pyruvate

Question 17

Where is phosphoenyopyruvate found?

Answer 17

Liver