MTC week 5

Question 1

how do activation-transfer coenzymes participate in catalysis?

Answer 1

how do activation-transfer coenzymes participate in catalysis?

Answer:
participate in catalysis by binding with the substrate

Question 2

do Oxidation-reduction coenzymes for covalent bonds with the substrate?

Answer 2

what do Oxidation-reduction coenzymes do?

Answer:
do not form covalent bonds with the substrate
exp: NAD+, NADP+, FAD

Question 3

what is a Apoenzyme and a Holoenzyme?

Answer 3

what is a Apoenzyme and a Holoenzyme?

Answer:
apoenzyme = enzyme without cofactor
holoenzyme = enzyme with cofactor

Question 4

NADPH is a ________ agent used in _______ reactions.

NADH is a _________ agent used in _______ reactions.

Answer 4

NADPH is a ________ agent used in _______ reactions.
reducing Anabolic

NADH is a _________ agent used in _______ reactions.
oxidizing Catabolic

Question 5

ethanol is oxidized to ________ in the liver?

ethanol interferes with ______ uptake in the gastrointestinal tract?

Answer 5

ethanol is oxidized to ___acetaldehyde ___ in the liver?

ethanol interferes with ___thiamine (Vit B1)___ uptake in the gastrointestinal tract?

Question 6

how do enzymes facilitate change in the substrate to promote product formation?

Answer 6

how do enzymes facilitate change in the substrate to promote product formation?

Answer:

• Orientation
• Physical strain
• Add chemical groups