Chapter 21

Question 1

Is an exergonic reaction spontaneous or non spontaneous? Does it release energy? Does it have negative or positive free energy?

Answer 1

Spontaneous
Releases energy
Has negative free energy

Question 2

Is an endergonic reaction spontaneous or non-spontaneous? Does it have negative or positive free energy?

Answer 2

No spontaneous
Positive

Question 3

All materials found between the cell membrane and the nucleus are part of the ____

Answer 3

Cytoplasm

Question 4

The ____ is a water based lipid that contains electrolytes

Answer 4

Cytosol

Question 5

Are ribosomes part of the cytosol or cytoplasm?

Answer 5

Cytoplasm

Question 6

T or F
The cytosol is part of the cytoplasm

Answer 6

True

Question 7

Where does the citric acid cycle occur?

Answer 7

Mitochondrial matrix

Question 8

Where does oxidative phosphorylation occur?

Answer 8

Inner membrane of mitochondrion

Question 9

An ordered sequence of synthetic or degredative reactions catalyzed by specific enzymes

Answer 9

Metabolic pathway

Question 10

A loss of electrons or hydrogen or gaining oxygen is oxidation or reduction?

Answer 10

Oxidation

Question 11

A loss of oxygen or a gain or electrons or hydrogen is oxidation or reduction?

Answer 11

Reduction

Question 12

Is NADH the reduced or oxidized form?

Answer 12

Reduced

Question 13

Is NAD+ the reduced or oxidized form?

Answer 13

Oxidized

Question 14

Is FADH2 the reduced or oxidized form?

Answer 14

Reduced

Question 15

Is FAD the reduced or oxidized form?

Answer 15

Oxidized

Question 16

What vitamin is NAD+ derived from?

Answer 16

Vitamin nicotinamide

Question 17

What vitamin is FAD derived from?

Answer 17

B2 / riboflavin

Question 18

Which vitamin is coenzyme A derived from?

Answer 18

B5/ pantothenic acid

Question 19

How many acetyl-CoA happen in 1 turn of the citric acid cycle?

Answer 19

1

Question 20

How many NAD+ happen in 1 turn of the citric acid cycle?

Answer 20

3

Question 21

How many NADH happen in 1 turn of the citric acid cycle?

Answer 21

3

Question 22

How many GTP/GDP happen in 1 turn of the citric acid cycle?

Answer 22

1

Question 23

How many FAD/FADH2 happen in 1 turn of the citric acid cycle?

Answer 23

1

Question 24

What are the compound in the citric acid cycle that are high energy compounds or transfer chemical energy?

Answer 24

NADH
GTP
FADH2

Question 25

Which compounds donate electrons to the electron transport chain?

Answer 25

NADH
FADH2

Question 26

Which compounds is the final electron acceptor?

Answer 26

O2

Question 27

Which compounds are the final products of the electron transport chain and oxidative phosphorylation?

Answer 27

H2O
NAD+
ATP
FAD

Question 28

Which compounds enter the electron transport chain?

Answer 28

NADH
FADH2
O2
ADP

Question 29

Compounds that are produced by the electron transport chain?

Answer 29

NAD+
FAD
H2O
ATP

Question 30

What is the function of the proton gradient in the mitochondrion?

Answer 30

It has potential energy that can power ATP synthesis