metabolism

Question 1

what do biological oxidation-reduction reactions always involve?

Answer 1

the transfer of electrons

Question 2

if the ∆G’° of the reaction A → B is –40 kJ/mol, what would happen under standard conditions?

Answer 2

the reaction will proceed spontaneously from A to B.

Question 3

in cells, what does NADH serve as a carrier for?

Answer 3

electrons

Question 4

what is an anabolic reaction?

Answer 4

metabolic pathways that require energy and are often biosynthetic processes

Question 5

what is a catabolic reaction?

Answer 5

reaction pathways that exclusively transform fuels into cellular energy

Question 6

what is the reduced form of flavin adenine dinucleotide?

Answer 6

FADH2

Question 7

how do you work out the overall ∆G’°?

Answer 7

∆G’°1 - ∆G’°2

Question 8

Which coenzymes contain adenosine phosphate units?

Answer 8

Coenzyme A
FADH2
NADH
NADPH

Question 9

which electron donor is used for reductive biosynthesis?

Answer 9

NADPH

Question 10

What serves as a universal currency of free energy?

Answer 10

ATP

Question 11

What molecule is a 2-electron oxidizing agent used in catabolic pathways?

Answer 11

NAD+

Question 12

What type of enzymes are tightly associated with FAD or FMN?

Answer 12

flavoproteins