Question 1

Intermediates in the breakdown of ____ can be diverted into glycolysis and the Krebs cycle.

Accepted Answer

A)  carbohydrates 
B)  lipids 
C)  proteins 
D)  all of these 
E)  carbohydrates and lipids only 
A)  carbohydrates 
B)  lipids 
C)  proteins 
D)  all of these 
E)  carbohydrates and lipids only

Question 2

When molecules are broken apart in respiration,

Accepted Answer

A)  the heat produced is used to drive biological reactions. 
B)  the oxygen in the compounds that are broken apart is used as an energy source. 
C)  the energy released is channeled into molecules of ATP. 
D)  ATP is converted into ADP. 
E)  ADP is released as a waste product. 
A)  the heat produced is used to drive biological reactions. 
B)  the oxygen in the compounds that are broken apart is used as an energy source. 
C)  the energy released is channeled into molecules of ATP. 
D)  ATP is converted into ADP. 
E)  ADP is released as a waste product.

Question 3

Which of the following molecules does NOT have a total of three carbon atoms?

Accepted Answer

A)  PEP 
B)  PGAL 
C)  fructose-1, 6-biphosphate 
D)  pyruvate 
E)  phosphoglycerate (PG
A)  
A)  PEP 
B)  PGAL 
C)  fructose-1, 6-biphosphate 
D)  pyruvate 
E)  phosphoglycerate (PG
A)

Question 4

Which of the following has the greatest total energy?

Accepted Answer

A)  cAMP 
B)  ADP 
C)  ATP 
D)  glucose 
E)  NADPH 
A)  cAMP 
B)  ADP 
C)  ATP 
D)  glucose 
E)  NADPH

Question 5

Classification.Use the five compounds listed below for the following questions.
a.ethanol
b.pyruvate
c.lactate
d.citrate
e.acetaldehyde
-This compound is an intermediate product of alcoholic fermentation but not lactate fermentation.

Accepted Answer

The answer of Classification.Use the five compounds listed below for...

Question 6

The correct operational sequence of the three processes listed below is I.
Glycolysis
II)
Electron transport chain
III)
Krebs cycle

Accepted Answer

A)  I >>> II >>> III. 
B)  II >>> I >>> III. 
C)  III >>> I >>> II. 
D)  II >>> III >>> I. 
E)  I >>> III >>> II. 
A)  I >>> II >>> III. 
B)  II >>> I >>> III. 
C)  III >>> I >>> II. 
D)  II >>> III >>> I. 
E)  I >>> III >>> II.

Question 7

During the third stage of aerobic respiration, electrons and hydrogen ions released by the reactions of the first two stages are picked up by

Accepted Answer

A)  photosynthetic enzymes and ATP. 
B)  CO2 and H2O 
C)  iron and glucose. 
D)  NAD+ and FAD. 
E)  none of these. 
A)  photosynthetic enzymes and ATP. 
B)  CO2 and H2O 
C)  iron and glucose. 
D)  NAD+ and FAD. 
E)  none of these.

Question 8

Classification.Use the five compounds listed below for the following questions.
a.ethanol
b.pyruvate
c.lactate
d.citrate
e.acetaldehyde
-This compound is produced by fast-twitch muscle fibers.

Accepted Answer

The answer of Classification.Use the five compounds listed below for...

Question 9

Classification.Use the five compounds listed below for the following questions.
a.ethanol
b.pyruvate
c.lactate
d.citrate
e.acetaldehyde
-This compound is utilized in alcoholic fermentation and lactate fermentation.

Accepted Answer

The answer of Classification.Use the five compounds listed below for...

Question 10

Classification.Use the five processes listed below for the following questions.
a.glycolysis
b.aerobic respiration
c.anaerobic electron transfer
d.alcoholic fermentation
e.lactate fermentation
-This process precedes the Krebs cycle.

Accepted Answer

The answer of Classification.Use the five processes listed below for...

Question 11

In the breakdown of glucose, a phosphorylated six-carbon compound is split into two three-carbon compounds, which are named

Accepted Answer

A)  PGAL. 
B)  pyruvate. 
C)  acetyl-CoA. 
D)  lactate. 
E)  acetaldehyde. 
A)  PGAL. 
B)  pyruvate. 
C)  acetyl-CoA. 
D)  lactate. 
E)  acetaldehyde.

Question 12

How many ATP are spent before a glucose molecule can be broken down to release energy?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
E)  6 
A)  1 
B)  2 
C)  3 
D)  4 
E)  6

Question 13

Substrate-level phosphorylation

Accepted Answer

A)  occurs during glycolysis. 
B)  requires the presence of oxygen. 
C)  is a precursor for the phosphorylation of glucose. 
D)  is the source for the majority of the ATP produced in aerobic respiration. 
E)  all of these are true. 
A)  occurs during glycolysis. 
B)  requires the presence of oxygen. 
C)  is a precursor for the phosphorylation of glucose. 
D)  is the source for the majority of the ATP produced in aerobic respiration. 
E)  all of these are true.

Question 14

What molecule is the entry point to aerobic respiration for carbohydrates, proteins and fats?

Accepted Answer

While all three energy sources

Question 15

Which of the following requires oxygen to function?

Accepted Answer

A)  aerobic respiration 
B)  anaerobic respiration 
C)  alcoholic fermentation 
D)  lactate fermentation 
E)  all require oxygen 
A)  aerobic respiration 
B)  anaerobic respiration 
C)  alcoholic fermentation 
D)  lactate fermentation 
E)  all require oxygen

Question 16

MATCHING
Matching.Select the one most appropriate choice for each.
a.produces NADH and COS1U1B12S1U1B0; pyruvate oxidized
b.produces ATP, NADH, and COS1U1B12S1U1B0
c.splits glucose into two pyruvate molecules
d.regenerates NADS1U1P1+S1S1P0 as pyruvate is converted to ethanol or lactate
e.uses a membrane-bound system that sets up production of ATP
-the Krebs cycle

Accepted Answer

The answer of MATCHING
Matching.Select the one most appropriate choice for...

Question 17

-Which of the following is indicated by the arrow as the location of glycolysis?

Accepted Answer

A)  cytoplasm 
B)  Golgi body 
C)  nucleoid 
D)  mitochondrion 
E)  rough endoplasmic reticulum 
A)  cytoplasm 
B)  Golgi body 
C)  nucleoid 
D)  mitochondrion 
E)  rough endoplasmic reticulum

Question 18

Which of the following yields carbon dioxide during the breakdown of glucose in aerobic respiration?

Accepted Answer

A)  phosphoglycerate 
B)  pyruvate 
C)  oxaloacetate 
D)  PGAL 
E)  fructose bisphosphate 
A)  phosphoglycerate 
B)  pyruvate 
C)  oxaloacetate 
D)  PGAL 
E)  fructose bisphosphate

Question 19

Classification.Use the five processes listed below for the following questions.
a.glycolysis
b.aerobic respiration
c.anaerobic electron transfer
d.alcoholic fermentation
e.lactate fermentation
-In this one-step process, the final product is lactate.

Accepted Answer

The answer of Classification.Use the five processes listed below for...

Question 20

How many ATP molecules (total) are produced per molecule of glucose degraded during glycolysis?

Accepted Answer

A)  1 
B)  2 
C)  4 
D)  36 
E)  38 
A)  1 
B)  2 
C)  4 
D)  36 
E)  38

Exam 7: How Cells Release Chemical Energy

Intermediates in the breakdown of ____ can be diverted into glycolysis and the Krebs cycle.

When molecules are broken apart in respiration,

Which of the following molecules does NOT have a total of three carbon atoms?

Which of the following has the greatest total energy?

Classification.Use the five compounds listed below for the following questions. a.ethanol b.pyruvate c.lactate d.citrate e.acetaldehyde -This compound is an intermediate product of alcoholic fermentation but not lactate fermentation.

The correct operational sequence of the three processes listed below is I. Glycolysis II) Electron transport chain III) Krebs cycle

During the third stage of aerobic respiration, electrons and hydrogen ions released by the reactions of the first two stages are picked up by

Classification.Use the five compounds listed below for the following questions. a.ethanol b.pyruvate c.lactate d.citrate e.acetaldehyde -This compound is produced by fast-twitch muscle fibers.

Classification.Use the five compounds listed below for the following questions. a.ethanol b.pyruvate c.lactate d.citrate e.acetaldehyde -This compound is utilized in alcoholic fermentation and lactate fermentation.

Classification.Use the five processes listed below for the following questions. a.glycolysis b.aerobic respiration c.anaerobic electron transfer d.alcoholic fermentation e.lactate fermentation -This process precedes the Krebs cycle.

In the breakdown of glucose, a phosphorylated six-carbon compound is split into two three-carbon compounds, which are named

How many ATP are spent before a glucose molecule can be broken down to release energy?

Substrate-level phosphorylation

What molecule is the entry point to aerobic respiration for carbohydrates, proteins and fats?

Which of the following requires oxygen to function?

-Which of the following is indicated by the arrow as the location of glycolysis?

Which of the following yields carbon dioxide during the breakdown of glucose in aerobic respiration?

Classification.Use the five processes listed below for the following questions. a.glycolysis b.aerobic respiration c.anaerobic electron transfer d.alcoholic fermentation e.lactate fermentation -In this one-step process, the final product is lactate.

How many ATP molecules (total) are produced per molecule of glucose degraded during glycolysis?

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

Ground Rules of Metabolism

Where It Startsphotosynthesis

Dna Structure and Function

From Dna to Protein

Gene Control

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizing Information About Species

Lifes Origin and Early Evolution

Viruses and Prokaryotes

Protiststhe Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolutionthe Invertebrates

Animal Evolutionthe Chordates

Animal Evolutionhuman Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues and Organ Systems

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Population Ecology

Community Ecology

Ecosystems

The Biosphere

Human Impacts on the Biosphere

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