Metabolism

Question 1

Coenzymes for Pyruvate dehydrogenase and a-ketoglutarate dehydrogenese

Answer 1

Thiamine pyrophosphate
FAD
NAD
Coenzyme A
Lipoic acid

Question 2

Pathways that occue both in the mitochondria and cytosol

Answer 2

HUG
1. Heme synthesis
2. Urea cycle
3. Gluconeogenesis

Question 3

This refers to the synthesis of
compounds from smaller raw
materials

Answer 3

Anabolism

Question 4

This refers to the breakdown
of larger molecules to simpler
substances

Answer 4

Catabolism

Question 5

This refers to processes
serving as link between
anabolic and catabolic
pathways

Answer 5

Amphibolic processes

Question 6

This metabolic pathway is a
prominent example of an
amphibolic process

Answer 6

Citric acid cycle (Krebs
cycle)

Question 7

Rate-limiting enzyme of
glycolysis

Answer 7

Phosphofructokinase-1
(PFK-1)

Question 8

Rate-limiting enzyme of
gluconeogenesis

Answer 8

Fructose-1,6-
bisphosphatase

Question 9

Rate-limiting enzyme of citric
acid cycle

Answer 9

Isocitrate dehydrogenase

Question 10

Rate-limiting enzyme of
glycogenesis

Answer 10

Glycogen synthase

Question 11

Rate-limiting enzyme of
glycogenolysis

Answer 11

Glycogen phosphorylase

Question 12

Rate-limiting enzyme of HMP
shunt

Answer 12

Glucose-6-phosphate
dehydrogenase (G6PD)

Question 13

Rate-limiting enzyme of
pyrimidine synthesis

Answer 13

Carbamoyl phosphate
synthetase II (CPS-II)

Question 14

Rate-limiting enzyme of
purine synthesis

Answer 14

Glutamine-PRPP
amidotransferase

Question 15

Rate-limiting enzyme of urea
cycle

Answer 15

Carbamoyl phosphate
synthetase I (CPS-I)

Question 16

Rate-limiting enzyme of fatty
acid synthesis

Answer 16

Acetyl-CoA carboxylase

Question 17

Rate-limiting enzyme of betaoxidation of fatty acids

Answer 17

Carnitine acyltransferase I

Question 18

Rate-limiting enzyme of
ketogenesis

Answer 18

HMG-CoA synthase

Question 19

Rate-limiting enzyme of
cholesterol synthesis

Answer 19

HMG-CoA reductase