Exam II - Glycogen

Question 1

What is the primary storage form of carbohydrates in animals?

Answer 1

glycogen

Question 2

What are the primary storage sites of glycogen?

Answer 2

liver and skeletal muscle

Question 3

What are chains of glucoses connected by?

Answer 3

alpha 1,4 glycosidic bonds

Question 4

What are branch points formed by?

Answer 4

alpha 1,6 glycosidic bonds

Question 5

How often does branching occur?

Answer 5

about every 10 glucoses

Question 6

Choose the correct answer:

Branching increases/decreases glycogen solubility.

Answer 6

increases

Question 7

T/F Skeletal muscle can release glucose to the blood.

Answer 7

False, skeletal muscle cannot release glucose.

Question 8

How many grams of glucose does skeletal muscle store?

Answer 8

400 grams

Question 9

How many grams of glucose does the liver store?

Answer 9

100 grams

Question 10

At 4 kcal/g, what is the total amount of glycogen that humans store (in kcal)?

Answer 10

about 2000 kcal

Question 11

Where is glycogen stored?
A. Cytosol
B. Mitochondria

Answer 11

A.

Question 12

What is the name of the enzyme that converts glucose 6P to Glucose 1P?

Answer 12

phosphoglucomutase

Question 13

What is the name of the protein needed to initiate synthesis of glycogen?

Answer 13

glycogenin

Question 14

What is the name of the enzyme that is used to initiate glycogen synthesis?

Answer 14

glycogen initiator synthase

Question 15

What enzyme is used to elongate a chain of glucose?

Answer 15

glucose synthase