Question 1

The process by which the cell produces ATP in the mitochondria is called

Accepted Answer

A) oxidative phosphorylation. 
B) hydrolysis. 
C) substrate-level phosphorylation. 
D) electron transport. 
A) oxidative phosphorylation. 
B) hydrolysis. 
C) substrate-level phosphorylation. 
D) electron transport. A

Question 2

The regions of a cell found between the nuclear membrane and the cell membrane is called the

Accepted Answer

A) cytosol. 
B) mitochondria. 
C) mitochondrial matrix. 
D) organelles. 
E) cytoplasm. 
A) cytosol. 
B) mitochondria. 
C) mitochondrial matrix. 
D) organelles. 
E) cytoplasm. E

Question 3

Every turn of the citric acid cycle directly produces ________ high energy molecule(s).

Accepted Answer

A) zero 
B) one 
C) two 
D) three 
E) six 
A) zero 
B) one 
C) two 
D) three 
E) six B

Question 4

List and discuss the reasons that ATP is so useful as a biochemical energy transport molecule.

Accepted Answer

A) The text is not real explicit on this

Question 5

Which of the following does not undergo oxidation-reduction reactions?

Accepted Answer

A) ATP 
B) NADH 
C) NADPH 
D) FAD 
A) ATP 
B) NADH 
C) NADPH 
D) FAD

Question 6

A metabolic pathway in which a molecule is progressively built up by repeated interaction with the same set of enzymes is a(an)________ pathway.

Accepted Answer

A) anabolic 
B) catabolic 
C) cyclic 
D) linear 
E) spiral 
A) anabolic 
B) catabolic 
C) cyclic 
D) linear 
E) spiral

Question 7

A metabolic pathway that can be illustrated as A → B → C → D is said to be a(an)________ pathway.

Accepted Answer

A) anabolic 
B) catabolic 
C) cyclic 
D) linear 
E) spiral 
A) anabolic 
B) catabolic 
C) cyclic 
D) linear 
E) spiral

Question 8

The synthesis of ATP from ADP and monohydrogen phosphate ________ 7 kcal/mol of energy and is an ________ reaction.

Accepted Answer

A) releases;endergonic 
B) consumes;exergonic 
C) releases;exergonic 
D) consumes;endergonic 
E) None of these are correct. 
A) releases;endergonic 
B) consumes;exergonic 
C) releases;exergonic 
D) consumes;endergonic 
E) None of these are correct.

Question 9

Match the following.
-ADP

Accepted Answer

A) the molecule produced from digestion products in the second stage of catabolism 
B) metabolic processes that consume energy in order to build molecules 
C) the stage of catabolism in which acetyl-CoA is oxidized to produce ATP,reduced coenzymes,and CO2 
D) metabolic processes that break down large molecules,thereby releasing energy 
E) the universal energy currency of the cell;a molecule used to transfer energy
F)a molecule that can be phosphorylated as a means of temporarily storing energy
G)the stage of catabolism in which complex food molecules are broken down into simpler substances for transport and/or further reaction
H)the stage of catabolism in which the energy stored in reduced coenzymes is converted to ATP 
A) the molecule produced from digestion products in the second stage of catabolism 
B) metabolic processes that consume energy in order to build molecules 
C) the stage of catabolism in which acetyl-CoA is oxidized to produce ATP,reduced coenzymes,and CO2 
D) metabolic processes that break down large molecules,thereby releasing energy 
E) the universal energy currency of the cell;a molecule used to transfer energy
F)a molecule that can be phosphorylated as a means of temporarily storing energy
G)the stage of catabolism in which complex food molecules are broken down into simpler substances for transport and/or further reaction
H)the stage of catabolism in which the energy stored in reduced coenzymes is converted to ATP

Question 10

Exergonic reactions are those that are ________ and that ________ liberate free energy.

Accepted Answer

A) spontaneous;do 
B) nonspontaneous;do 
C) spontaneous;do not 
D) nonspontaneous;do not 
E) none of the above 
A) spontaneous;do 
B) nonspontaneous;do 
C) spontaneous;do not 
D) nonspontaneous;do not 
E) none of the above

Question 11

In a pair of coupled reactions,if the favorable reaction releases more energy than the amount required by the unfavorable reaction,the excess energy is

Accepted Answer

A) reabsorbed by the favorable reaction to be used later. 
B) released as heat and used to maintain body temperature. 
C) used by the unfavorable reaction to create more products than normally expected. 
D) converted to high energy ATP. 
E) used to produce reduced coenzymes. 
A) reabsorbed by the favorable reaction to be used later. 
B) released as heat and used to maintain body temperature. 
C) used by the unfavorable reaction to create more products than normally expected. 
D) converted to high energy ATP. 
E) used to produce reduced coenzymes.

Question 12

Match the following.
-ATP

Accepted Answer

A) the molecule produced from digestion products in the second stage of catabolism 
B) metabolic processes that consume energy in order to build molecules 
C) the stage of catabolism in which acetyl-CoA is oxidized to produce ATP,reduced coenzymes,and CO2 
D) metabolic processes that break down large molecules,thereby releasing energy 
E) the universal energy currency of the cell;a molecule used to transfer energy
F)a molecule that can be phosphorylated as a means of temporarily storing energy
G)the stage of catabolism in which complex food molecules are broken down into simpler substances for transport and/or further reaction
H)the stage of catabolism in which the energy stored in reduced coenzymes is converted to ATP 
A) the molecule produced from digestion products in the second stage of catabolism 
B) metabolic processes that consume energy in order to build molecules 
C) the stage of catabolism in which acetyl-CoA is oxidized to produce ATP,reduced coenzymes,and CO2 
D) metabolic processes that break down large molecules,thereby releasing energy 
E) the universal energy currency of the cell;a molecule used to transfer energy
F)a molecule that can be phosphorylated as a means of temporarily storing energy
G)the stage of catabolism in which complex food molecules are broken down into simpler substances for transport and/or further reaction
H)the stage of catabolism in which the energy stored in reduced coenzymes is converted to ATP

Question 13

Which of the following is common to the structures of NAD+,and FAD?

Accepted Answer

A) nicotinic acid 
B) nicotinamide 
C) ATP 
D) ADP 
E) AMP 
A) nicotinic acid 
B) nicotinamide 
C) ATP 
D) ADP 
E) AMP

Question 14

ATP is the molecule most often used for energy transport because

Accepted Answer

A) a relatively large amount of energy is released upon hydrolysis of its two phosphoric anhydride bonds. 
B) its hydrolysis releases an intermediate amount of energy and is relatively slow except in the presence of the appropriate enzymes. 
C) it can only be produced in the citric acid cycle. 
D) it can only be produced as a result of reactions in the electron transport chain. 
E) its production from ADP is endergonic. 
A) a relatively large amount of energy is released upon hydrolysis of its two phosphoric anhydride bonds. 
B) its hydrolysis releases an intermediate amount of energy and is relatively slow except in the presence of the appropriate enzymes. 
C) it can only be produced in the citric acid cycle. 
D) it can only be produced as a result of reactions in the electron transport chain. 
E) its production from ADP is endergonic.

Question 15

The sum of all the biochemical reactions occurring in an organism is

Accepted Answer

A) anabolism. 
B) catabolism. 
C) digestion. 
D) metabolism. 
E) respiration. 
A) anabolism. 
B) catabolism. 
C) digestion. 
D) metabolism. 
E) respiration.

Question 16

Match the following.
-acetyl-CoA

Accepted Answer

A) the molecule produced from digestion products in the second stage of catabolism 
B) metabolic processes that consume energy in order to build molecules 
C) the stage of catabolism in which acetyl-CoA is oxidized to produce ATP,reduced coenzymes,and CO2 
D) metabolic processes that break down large molecules,thereby releasing energy 
E) the universal energy currency of the cell;a molecule used to transfer energy
F)a molecule that can be phosphorylated as a means of temporarily storing energy
G)the stage of catabolism in which complex food molecules are broken down into simpler substances for transport and/or further reaction
H)the stage of catabolism in which the energy stored in reduced coenzymes is converted to ATP 
A) the molecule produced from digestion products in the second stage of catabolism 
B) metabolic processes that consume energy in order to build molecules 
C) the stage of catabolism in which acetyl-CoA is oxidized to produce ATP,reduced coenzymes,and CO2 
D) metabolic processes that break down large molecules,thereby releasing energy 
E) the universal energy currency of the cell;a molecule used to transfer energy
F)a molecule that can be phosphorylated as a means of temporarily storing energy
G)the stage of catabolism in which complex food molecules are broken down into simpler substances for transport and/or further reaction
H)the stage of catabolism in which the energy stored in reduced coenzymes is converted to ATP

Question 17

Which of the following is not true of NAD+ and FAD?

Accepted Answer

A) These molecules when present in the reduced state are used to produce ATP. 
B) They both contain two nucleosides. 
C) They donate electrons to the electron transport system. 
D) The reduced form of FAD has more energy than the reduced form of NAD+. 
A) These molecules when present in the reduced state are used to produce ATP. 
B) They both contain two nucleosides. 
C) They donate electrons to the electron transport system. 
D) The reduced form of FAD has more energy than the reduced form of NAD+.

Question 18

Endergonic reactions are those that have a ________ value of ΔG and ________ spontaneous.

Accepted Answer

A) positive;are 
B) positive;are not 
C) negative;are 
D) negative;are not 
E) none of the above 
A) positive;are 
B) positive;are not 
C) negative;are 
D) negative;are not 
E) none of the above

Question 19

The cellular organelle associated with energy production is the

Accepted Answer

A) nucleus. 
B) mitochondrion. 
C) Golgi apparatus. 
D) endoplasmic reticulum. 
E) lysosome. 
A) nucleus. 
B) mitochondrion. 
C) Golgi apparatus. 
D) endoplasmic reticulum. 
E) lysosome.

Question 20

All of the following are energy strategies used in biochemical reactions except

Accepted Answer

A) ATP is produced as a means of transferring energy. 
B) exergonic reactions are used to drive unfavorable reactions. 
C) chemical reactions occur in pairs in order to change the value of ΔG for one of the reactions. 
D) coenzymes which can exist in oxidized or reduced forms are used to transfer electrons. 
E) ADP is transformed into a higher energy molecule when coupled to an exergonic reaction. 
A) ATP is produced as a means of transferring energy. 
B) exergonic reactions are used to drive unfavorable reactions. 
C) chemical reactions occur in pairs in order to change the value of ΔG for one of the reactions. 
D) coenzymes which can exist in oxidized or reduced forms are used to transfer electrons. 
E) ADP is transformed into a higher energy molecule when coupled to an exergonic reaction.

Exam 21: The Generation of Biochemical Energy

The process by which the cell produces ATP in the mitochondria is called

The regions of a cell found between the nuclear membrane and the cell membrane is called the

Every turn of the citric acid cycle directly produces ________ high energy molecule(s).

List and discuss the reasons that ATP is so useful as a biochemical energy transport molecule.

Which of the following does not undergo oxidation-reduction reactions?

A metabolic pathway in which a molecule is progressively built up by repeated interaction with the same set of enzymes is a(an)________ pathway.

A metabolic pathway that can be illustrated as A → B → C → D is said to be a(an)________ pathway.

The synthesis of ATP from ADP and monohydrogen phosphate ________ 7 kcal/mol of energy and is an ________ reaction.

Match the following. -ADP

Exergonic reactions are those that are ________ and that ________ liberate free energy.

In a pair of coupled reactions,if the favorable reaction releases more energy than the amount required by the unfavorable reaction,the excess energy is

Match the following. -ATP

Which of the following is common to the structures of NAD+,and FAD?

ATP is the molecule most often used for energy transport because

The sum of all the biochemical reactions occurring in an organism is

Match the following. -acetyl-CoA

Which of the following is not true of NAD+ and FAD?

Endergonic reactions are those that have a ________ value of ΔG and ________ spontaneous.

The cellular organelle associated with energy production is the

All of the following are energy strategies used in biochemical reactions except

Matter and Measurements

Atoms and the Periodic Table

Ionic Compounds

Molecular Compounds

Classification and Balancing of Chemical Reactions

Chemical Reactions: Mole and Mass Relationships

Chemical Reactions: Energy, rates, and Equilibrium

Gases, liquids, and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Chemistry: Alkanes

Alkenes, alkynes, and Aromatic Compounds

Some Compounds With Oxygen, sulfur, or a Halogen

Aldehydes and Ketones

Amines

Carboxylic Acids and Their Derivatives

Amino Acids and Proteins

Enzymes and Vitamins

Carbohydrates

Carbohydrate Metabolism

Lipids

Lipid Metabolism

Protein and Amino Acid Metabolism

Nucleic Acids and Protein Synthesis

Genomics

Chemical Messengers: Hormones, neurotransmitters, and Drugs

Body Fluids

Filters

The synthesis of ATP from ADP and monohydrogen phosphate 7 kcal/mol of energy and is an reaction.

Exergonic reactions are those that are and that liberate free energy.

Which of the following is common to the structures of NAD⁺,and FAD?

Which of the following is not true of NAD⁺ and FAD?

Endergonic reactions are those that have a value of ΔG and spontaneous.