Enzymes to know

Question 1

Main enzymes in glycogenolysis

Answer 1

Glycogen phosphorylase

Question 2

Stimulants of glycogenolysis

Answer 2

Low energy charge, glucagon, calcium

Question 3

Inhibitants of glycogenolysis

Answer 3

High energy charge, insulin, glucose

Question 4

Main enzymes of glycolysis

Answer 4

Hexokinase, glucokinase, PFK, pyruvate kinase

Question 5

Stimulants of glycolysis

Answer 5

Low energy charge, insulin, glucose

Question 6

Inhibitants of glycolysis

Answer 6

High energy charge, glucagon, pyruvate, alanine, lactate, citrate

Question 7

Main enzyme when making lactate

Answer 7

Lactate dehy

Question 8

Stimulants when making lactate

Answer 8

Low energy charge, pyruvate, NADH

Question 9

Inhibitants when making lactate

Answer 9

High energy charge, low pH

Question 10

Main enzymes when making alanine

Answer 10

ALT

Question 11

Stimulants when making alanine

Answer 11

Low energy charge, pyruvate

Question 12

Inhibitants when making alanine

Answer 12

High energy charge

Question 13

Main enzymes in the prep step of Krebs

Answer 13

Pyruvate dehy

Question 14

Stimulants of the prep step

Answer 14

Low energy charge, NAD, CoA

Question 15

Inhibitants of the prep step

Answer 15

High energy charge, NADH, acetyl CoA

Question 16

Main enzymes of lipolysis

Answer 16

Lipases

Question 17

Stimulants of lipolysis

Answer 17

Low energy charge, glucagon, EP, NE, cortisol

Question 18

Inhibitants of lipolysis

Answer 18

High energy charge, insulin

Question 19

Main enzymes of beta oxidation (OHOT)

Answer 19

Acyl CoA dehy

Question 20

Stimulants of OHOT

Answer 20

Low energy charge, glucagon, NAD, FAD

Question 21

Inhibitants of OHOT

Answer 21

High energy charge, insulin, NADH, NADH2

Question 22

Main enzymes of the citric acid cycle

Answer 22

Citrate synthase, isocitrate dehy, alpha-KG dehy, succinate dehy, malate dehy

Question 23

Stimulants of the citric acid cycle

Answer 23

Low energy charge, NAD, FAD

Question 24

Inhibitants of the citric acid cycle

Answer 24

High energy charge, NADH, FADH2

Question 25

Main enzymes of the PPP

Answer 25

G6P dehy

Question 26

Stimulants of the PPP

Answer 26

NADP

Question 27

Inhibitants of the PPP

Answer 27

NADPH

Question 28

Main enzymes of glycogen synthesis

Answer 28

Glycogen synthetase

Question 29

Stimulants of glycogen synthesis

Answer 29

High energy charge, insulin, glucose, low glycogen concentration

Question 30

Inhibitants of glycogen synthesis

Answer 30

Low energy charge, glucagon

Question 31

Main enzymes of fat synthesis

Answer 31

CAF

Question 32

Stimulants of fat synthesis

Answer 32

High energy charge, insulin, NADH, FADH2, citrate

Question 33

Inhibitants of fat synthesis

Answer 33

Low energy charge, glucagon, NAD, FAD

Question 34

Main enzymes of cholesterol synthesis

Answer 34

HMG CoA reductase

Question 35

Stimulants of cholesterol synthesis

Answer 35

High energy charge, insulin, NADH, FADH2, citrate

Question 36

Inhibitants of cholesterol synthesis

Answer 36

Cholesterol, low energy charge, NAD, FAD

Question 37

Main enzymes of GNG

Answer 37

Pyruvate carboxylase, PEP carboxykinase, G6Pase, fructose 1,6-BPase

Question 38

Stimulants of GNG

Answer 38

Glucagon, low blood glucose

Question 39

Inhibitants of GNG

Answer 39

Insulin, glucose, low energy charge

Question 40

Main enzymes of alcohol metabolism

Answer 40

Alcohol dehy, MEOS

Question 41

Stimulants of alcohol metabolism

Answer 41

Ethanol

Question 42

Inhibitants of alcohol metabolism

Answer 42

NADH

Question 43

Main enzymes of the glutamine-glutamate pathway

Answer 43

Glutamine synthetase

Question 44

Stimulants of the glutamine-glutamate pathway

Answer 44

LIV, glutamate

Question 45

Inhibitants of the glutamine-glutamate pathway

Answer 45

Glutamine