ENERGY RELEASE AND CONSERVATION QUIZ

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

NADH or FADH

citric acid

acetyl-CoA

oxaloacetic acid

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is accomplished in chemiosmosis?

The oxidation of CO2

The oxidation of water

The oxidation of ATP

The oxidation of NADH

TRUE ANSWER : ?
YOUR ANSWER : ?

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

pentose phosphate pathway

Embden-Meyerhof pathway

β-oxidation

Entner-Doudoroff

TRUE ANSWER : ?
YOUR ANSWER : ?

The final electron acceptor in the electron transport chain is

FMN

a cytochrome

CoQ

oxygen

TRUE ANSWER : ?
YOUR ANSWER : ?

In cellular metabolism, O2 is used

in the Krebs cycle

in glycolysis

as a terminal electron acceptor

to provide electrons for photophosphorylation

TRUE ANSWER : ?
YOUR ANSWER : ?

In anaerobic respiration, the final electron acceptor can be

pyruvate

nitrate

oxygen

acetyl-CoA

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YOUR ANSWER : ?

Organisms can synthesize ATP by oxidative phosphorylation when they

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

oxidize glucose to pyruvate

ferment

pass electrons to oxygen through an electron transport system containing cytochromes

TRUE ANSWER : ?
YOUR ANSWER : ?

The enzymes for glycolysis are located

on the outer membrane of the chloroplast

in the cytoplasm

on the inner surface of the cell membrane

on the inner membrane of the mitochondrion

TRUE ANSWER : ?
YOUR ANSWER : ?

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

Anaerobic respiration is glycolysis

Aerobic respiration requires the electron transport chain

The final electron acceptors are different

Aerobic respiration produces less ATP

TRUE ANSWER : ?
YOUR ANSWER : ?

The amount of energy (cal/mole) in an ATP molecule produced by a cell from glucose by fermentation is

greater than aerobic metabolism

less than aerobic metabolism

exactly or approximately equal to aerobic metabolism

None of these

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YOUR ANSWER : ?