Chap 8: Quiz

Question 1

Glycogenesis Defined

Answer 1

Glycogenesis is the synthesis of glycogen

Question 2

Important components of glycogenesis

Answer 2

+ Glycogenin (core protein)
+ Glycogen synthase
+ Branching enzyme

Question 3

Glycogenolysis Defined

Answer 3

Glycogenolysis is the breakdown of glycogen

Question 4

Important components of Glycogenolysis

Answer 4

+ Glycogen phosphorylase
+ Glycogen debranching enzyme

Question 5

Regulation of Glycogen Synthesis

Answer 5

+ Pathways that phosphorylate glycogen synthase will inactive it

Question 6

Regulation of Glycogen Breakdown

Answer 6

Glycogen phosphorylase is activated by phosphorylation and deactivated by dephosphorylation

Question 7

Pentose Phosphate Pathway produces

Answer 7

monosaccharides, NADPH and antioxidants

Question 8

Two phases of Pentose Phosphate Pathway

Answer 8

Oxidative & Nonoxidative

Question 9

Regulation of the Pentose Phosphate Pathway

Answer 9

Glucose-6-phosphate dehydrogenase is regulated by levels of NADP+

Question 10

Monosaccharides (i.e., ribose) can convert to

Answer 10

hexoses for entry glycolysis

Question 11

Regulation of Glycogenesis and Glycogenolysis

Answer 11

PKA is the main regulator of both enzymes

Question 12

Glycogen synthase works in

Answer 12

opposition to glycogen phosphorylase

Question 13

Most important enzyme in glycogenolysis (Glycogen Breakdown)

Answer 13

Glycogen Phosphorylase

Question 14

Pentose Phosphate Pathway generates

Answer 14

NADPH

Question 15

Glycogen is store in

Answer 15

liver and muscle cells