ENERGY RELEASE AND CONSERVATION QUIZ

Fatty acids are oxidized to acetyl-CoA by which of the following pathways?

Embden-Meyerhof pathway

β-oxidation

pentose phosphate pathway

Entner-Doudoroff

TRUE ANSWER : ?
YOUR ANSWER : ?

Most bacterial fermentations yield how many net ATP molecules per molecule of glucose?

2

6

4

1

TRUE ANSWER : ?
YOUR ANSWER : ?

Which one of the following is produced in the greatest numbers during one turn of the Krebs cycle?

FADH2

NADH

Acetyl-CoA

ATP

TRUE ANSWER : ?
YOUR ANSWER : ?

Aerobic respiration differs from anaerobic respiration in which of the following respects?

The final electron acceptors are different

Anaerobic respiration is glycolysis

Aerobic respiration requires the electron transport chain

Aerobic respiration produces less ATP

TRUE ANSWER : ?
YOUR ANSWER : ?

Organisms can synthesize ATP by oxidative phosphorylation when they

oxidize glucose to pyruvate

pass electrons to oxygen through an electron transport system containing cytochromes

ferment

pass electrons from the oxidation of chlorophyll through an electron transport system

TRUE ANSWER : ?
YOUR ANSWER : ?

Before most molecules can enter the Krebs citric acid cycle, they must be converted to

oxaloacetic acid

acetyl-CoA

citric acid

NADH or FADH

TRUE ANSWER : ?
YOUR ANSWER : ?

The amount of ATP produced by a cell from glucose when metabolizing it by fermentation means is

none of these

lesser than by aerobic metabolism

exactly or approximately equal to by aerobic metabolism

greater than by aerobic metabolism

TRUE ANSWER : ?
YOUR ANSWER : ?

The final electron acceptor in the electron transport chain is

FMN

a cytochrome

CoQ

oxygen

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is the most complete definition of fermentation?

Production of ethyl alcohol from glucose

Oxidation of glucose with organic molecules serving as electron acceptors

Complete catabolism of glucose to CO2 and HO2

Production of energy by substrate-level phosphorylation

TRUE ANSWER : ?
YOUR ANSWER : ?

In anaerobic respiration, the final electron acceptor can be

nitrate

acetyl-CoA

oxygen

pyruvate

TRUE ANSWER : ?
YOUR ANSWER : ?