Question 1

Yeast in a bottle of champagne produces and .

Accepted Answer

ethanol; c

Question 2

How does a lack of oxygen affect energy availability in animals?

Accepted Answer

Low oxygen levels result in li

Question 3

During cellular respiration, the pyruvate produced in glycolysis is

Accepted Answer

A)  broken down to O2 and hydrogen. 
B)  the source of electrons for NADH and FADH2. 
C)  transported out of the mitochondria. 
D)  converted to lactate or ethanol. 
A)  broken down to O2 and hydrogen. 
B)  the source of electrons for NADH and FADH2. 
C)  transported out of the mitochondria. 
D)  converted to lactate or ethanol.

Question 4

Human muscle cells can perform

Accepted Answer

A)  alcoholic fermentation, lactic acid fermentation, and aerobic cellular respiration. 
B)  aerobic cellular respiration. 
C)  lactic acid fermentation and aerobic cellular respiration. 
D)  alcoholic fermentation. 
E)  lactic acid fermentation. 
A)  alcoholic fermentation, lactic acid fermentation, and aerobic cellular respiration. 
B)  aerobic cellular respiration. 
C)  lactic acid fermentation and aerobic cellular respiration. 
D)  alcoholic fermentation. 
E)  lactic acid fermentation.

Question 5

How does bakerʹs yeast in bread dough make the bread rise?

Accepted Answer

Bread rises due to t

Question 6

During which of the following processes is CO2 produced?

Accepted Answer

A)  The ETC 
B)  The Krebs cycle 
C)  Glycolysis 
A)  The ETC 
B)  The Krebs cycle 
C)  Glycolysis

Question 7

How many CO2 molecules are generated from each pyruvate molecule that enters the mitochondrial matrix?

Accepted Answer

A)  One 
B)  Two 
C)  Three 
D)  Four 
E)  Five 
A)  One 
B)  Two 
C)  Three 
D)  Four 
E)  Five

Question 8

Some of the CO2 that is exhaled during breathing is created during

Accepted Answer

A)  the conversion of pyruvate to acetyl CoA. 
B)  chemiosmosis. 
C)  glycolysis. 
D)  fermentation. 
E)  the reduction of oxygen in the ETC. 
A)  the conversion of pyruvate to acetyl CoA. 
B)  chemiosmosis. 
C)  glycolysis. 
D)  fermentation. 
E)  the reduction of oxygen in the ETC.

Question 9

During which step of aerobic respiration is oxygen used?

Accepted Answer

A)  Conversion of pyruvate to acetyl CoA 
B)  Electron transport chain (ET
C)  
C)  Fermentation 
D)  Krebs cycle 
E)  Glycolysis 
A)  Conversion of pyruvate to acetyl CoA 
B)  Electron transport chain (ET
C)  
C)  Fermentation 
D)  Krebs cycle 
E)  Glycolysis

Question 10

In vertebrate animal cells, where does the synthesis of lactate occur?

Accepted Answer

A)  Mitochondrial inner membranes 
B)  Mitochondrial matrix 
C)  Fluid portion of the cytoplasm 
D)  Surface of ribosomes 
E)  Nucleus 
A)  Mitochondrial inner membranes 
B)  Mitochondrial matrix 
C)  Fluid portion of the cytoplasm 
D)  Surface of ribosomes 
E)  Nucleus

Question 11

Two possible end products of fermentation are (as is produced by our muscle cells under anaerobic conditions) and (as is produced by yeast under anaerobic conditions).

Accepted Answer

lactate; c

Question 12

The part of a mitochondrion that is analogous to the stroma of a chloroplast is the

Accepted Answer

A)  grana. 
B)  matrix. 
C)  inner membrane. 
D)  outer membrane. 
E)  thylakoids. 
A)  grana. 
B)  matrix. 
C)  inner membrane. 
D)  outer membrane. 
E)  thylakoids.

Question 13

In the process of cellular respiration, a molecule of is completely broken down to form , , and .

Accepted Answer

glucose; H

Question 14

During glycolysis in the energy-investing stage, two ATP molecules are ʺspentʺ to convert glucose to the highly reactive molecule

Accepted Answer

A)  glyceraldehyde 3-phosphate. 
B)  NADH. 
C)  fructose bisphosphate. 
D)  FADH2. 
E)  pyruvate. 
A)  glyceraldehyde 3-phosphate. 
B)  NADH. 
C)  fructose bisphosphate. 
D)  FADH2. 
E)  pyruvate.

Question 15

Cyanide poisoning occurs because cyanide inhibits an enzyme in the electron transport pathway. Which of the following is the reason why cyanide poisoning becomes deadly?

Accepted Answer

A)  Glycolysis stops. 
B)  ATP is no longer produced by chemiosmosis. 
C)  Oxygen is reduced to water. 
D)  Cells switch to anaerobic fermentation. 
A)  Glycolysis stops. 
B)  ATP is no longer produced by chemiosmosis. 
C)  Oxygen is reduced to water. 
D)  Cells switch to anaerobic fermentation.

Question 16

Oxygen is necessary for cellular respiration because oxygen

Accepted Answer

A)  combines with carbon to form carbon dioxide. 
B)  combines with electrons and hydrogen ions to form water. 
C)  combines with electrons to form CO2. 
D)  combines with carbon dioxide and water to form glucose. 
E)  reduces glucose to form carbon dioxide and water. 
A)  combines with carbon to form carbon dioxide. 
B)  combines with electrons and hydrogen ions to form water. 
C)  combines with electrons to form CO2. 
D)  combines with carbon dioxide and water to form glucose. 
E)  reduces glucose to form carbon dioxide and water.

Question 17

The reason bread dough ʺrisesʺ is due to the production of

Accepted Answer

A)  lactic acid. 
B)  carbon dioxide gas. 
C)  ethanol. 
D)  oxygen gas. 
A)  lactic acid. 
B)  carbon dioxide gas. 
C)  ethanol. 
D)  oxygen gas.

Exam 8: Harvesting Energy: Glycolysis and Cellular Respiration

Yeast in a bottle of champagne produces and .

How does a lack of oxygen affect energy availability in animals?

During cellular respiration, the pyruvate produced in glycolysis is

Human muscle cells can perform

How does bakerʹs yeast in bread dough make the bread rise?

During which of the following processes is CO2 produced?

How many CO2 molecules are generated from each pyruvate molecule that enters the mitochondrial matrix?

Some of the CO2 that is exhaled during breathing is created during

During which step of aerobic respiration is oxygen used?

In vertebrate animal cells, where does the synthesis of lactate occur?

Two possible end products of fermentation are (as is produced by our muscle cells under anaerobic conditions) and (as is produced by yeast under anaerobic conditions).

The part of a mitochondrion that is analogous to the stroma of a chloroplast is the

In the process of cellular respiration, a molecule of is completely broken down to form , , and .

During glycolysis in the energy-investing stage, two ATP molecules are ʺspentʺ to convert glucose to the highly reactive molecule

Cyanide poisoning occurs because cyanide inhibits an enzyme in the electron transport pathway. Which of the following is the reason why cyanide poisoning becomes deadly?

Oxygen is necessary for cellular respiration because oxygen

The reason bread dough ʺrisesʺ is due to the production of

An Introduction to Life on Earth

Atoms, Molecules, and Life

Biological Molecules

Cell Structure and Function

Cell Membrane Structure and Function

Energy Flow in the Life of a Cell

Capturing Solar Energy: Photosynthesis

Cellular Reproduction

Meiosis: the Basis of Sexual Reproduction

Patterns of Inheritance

DNA: The Molecule of Heredity

Gene Expression and Regulation

Biotechnology

Principles of Evolution

How Populations Evolve

The Origin of Species

The History of Life

Systematics: Seeking Order Amid Diversity

The Diversity of Prokaryotes and Viruses

The Diversity of Protists

The Diversity of Plants

The Diversity of Fungi

Animal Diversity I: Invertebrates

Animal Diversity Ii: Vertebrates

Animal Behavior

Population Growth and Regulation

Community Interactions

Energy Flow and Nutrient Cycling in Ecosystems

Earths Diverse Ecosystems

Conserving Earths Biodiversity

Homeostasis and the Organization of the Animal Body

Circulation

Respiration

Nutrition and Digestion

The Urinary System

Defenses Against Disease

Chemical Control of the Animal Body: the Endocrine System

The Nervous System

The Senses

Action and Support: the Muscles and Skeleton

Animal Reproduction

Animal Development

Plant Anatomy and Nutrient Transport

Plant Reproduction and Development

Plant Responses to the Environment

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