Question 1

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 2

Chemiosmosis in mitochondria directly results in the synthesis of

Accepted Answer

A)  ATP. 
B)  H2O. 
C)  FADH2. 
D)  NADH. 
E)  acetyl CoA. 
A)  ATP. 
B)  H2O. 
C)  FADH2. 
D)  NADH. 
E)  acetyl CoA.

Question 3

In the glucose activation stage of glycolysis, glucose receives a phosphate group from ATP. This reaction is

Accepted Answer

A)  respiration. 
B)  endergonic. 
C)  exergonic. 
D)  fermentation. 
A)  respiration. 
B)  endergonic. 
C)  exergonic. 
D)  fermentation.

Question 4

Which event occurs in the fluid portion of the cytoplasm of a cell undergoing glucose metabolism?

Accepted Answer

A)  Acetyl CoA formation 
B)  Krebs cycle 
C)  Chemiosmosis 
D)  Glycolysis 
E)  Electron transport 
A)  Acetyl CoA formation 
B)  Krebs cycle 
C)  Chemiosmosis 
D)  Glycolysis 
E)  Electron transport

Question 5

Glycolysis and the Krebs cycle reactions both occur in the mitochondria.

Accepted Answer

A) True 
 B)False

Question 6

Where does the production of pyruvate occur during glycolysis?

Accepted Answer

A)  Intermembrane compartment 
B)  Mitochondrial matrix 
C)  Cytoplasmic fluid 
D)  Inner membrane 
E)  Ribosomes 
A)  Intermembrane compartment 
B)  Mitochondrial matrix 
C)  Cytoplasmic fluid 
D)  Inner membrane 
E)  Ribosomes

Question 7

The overall products of glycolysis are

Accepted Answer

A)  ATP, NADH, pyruvate, and FADH2. 
B)  ATP and pyruvate only. 
C)  ATP, NADH, and acetyl CoA. 
D)  ATP, NADH, FADH2, and CO2. 
E)  ATP, NADH, and pyruvate. 
A)  ATP, NADH, pyruvate, and FADH2. 
B)  ATP and pyruvate only. 
C)  ATP, NADH, and acetyl CoA. 
D)  ATP, NADH, FADH2, and CO2. 
E)  ATP, NADH, and pyruvate.

Question 8

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

Accepted Answer

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

Question 9

What molecule is common to both C3 photosynthesis and the process of glycolysis?

Accepted Answer

A)  G3P 
B)  NADPH 
C)  Fructose 
D)  Acetyl CoA 
E)  Pyruvate 
A)  G3P 
B)  NADPH 
C)  Fructose 
D)  Acetyl CoA 
E)  Pyruvate

Question 10

Which kind of metabolic poison would interfere with the glycolysis stage of cellular respiration?

Accepted Answer

A)  An agent that binds to lactate and inactivates it 
B)  An agent that reacts with oxygen and depletes its concentration in the cell 
C)  An agent that inhibits the formation of acetyl CoA 
D)  An agent that reacts with FADH2 and oxidizes FAD+ 
E)  An agent that closely mimics the structure of glucose but is not capable of being metabolized and broken down 
A)  An agent that binds to lactate and inactivates it 
B)  An agent that reacts with oxygen and depletes its concentration in the cell 
C)  An agent that inhibits the formation of acetyl CoA 
D)  An agent that reacts with FADH2 and oxidizes FAD+ 
E)  An agent that closely mimics the structure of glucose but is not capable of being metabolized and broken down

Question 11

If only one molecule of pyruvate (instead of two) were produced per glucose molecule metabolized in glycolysis, then which of the following would be produced after glycolysis and before the electron transport chain?

Accepted Answer

A)  1 ATP, 3 NADH, and 1 FADH2 
B)  2 ATP, 6 NADH, and 2 FADH2 
C)  1 ATP, 4 NADH, and 1 FADH2 
D)  1 ATP, 1 NADH, and 1 FADH2 
A)  1 ATP, 3 NADH, and 1 FADH2 
B)  2 ATP, 6 NADH, and 2 FADH2 
C)  1 ATP, 4 NADH, and 1 FADH2 
D)  1 ATP, 1 NADH, and 1 FADH2

Question 12

The inner membrane of the mitochondria can be compared functionally to the thylakoid membranes of the chloroplast because both contain a system for

Accepted Answer

A)  glucose synthesis. 
B)  pyruvate production. 
C)  anaerobic respiration. 
D)  enzyme synthesis. 
E)  electron transport. 
A)  glucose synthesis. 
B)  pyruvate production. 
C)  anaerobic respiration. 
D)  enzyme synthesis. 
E)  electron transport.

Question 13

The metabolic breakdown of one molecule of glucose generates the greatest amount of ATP energy during

Accepted Answer

A)  glycolysis. 
B)  mitochondrial matrix reactions. 
C)  the Krebs cycle. 
D)  fermentation. 
E)  ETC. 
A)  glycolysis. 
B)  mitochondrial matrix reactions. 
C)  the Krebs cycle. 
D)  fermentation. 
E)  ETC.

Question 14

In the 1940s, some physicians prescribed low doses of a drug called dinitrophenol (DNP) to help patients lose weight. This unsafe drug was quickly abandoned after a few patients died. DNP affects cells by uncoupling the chemiosmotic machinery and making the inner mitochondrial membrane "leaky" to hydrogen ions.
Explain how DNP caused weight loss and, ultimately, death in these dieters.

Accepted Answer

No hydrogen ion gradient could be establ

Question 15

After fermentation in human cells, lactate is converted to pyruvate in the

Accepted Answer

A)  heart. 
B)  muscles. 
C)  lungs. 
D)  bone marrow. 
E)  bloodstream. 
A)  heart. 
B)  muscles. 
C)  lungs. 
D)  bone marrow. 
E)  bloodstream.

Question 16

During cellular respiration, the pyruvate produced in glycolysis is

Accepted Answer

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

Question 17

The term chemiosmosis is associated with which process?

Accepted Answer

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

Question 18

During which of the following processes is ATP NOT produced?

Accepted Answer

A)  Glycolysis by itself 
B)  Fermentation by itself 
C)  Cellular respiration by itself 
A)  Glycolysis by itself 
B)  Fermentation by itself 
C)  Cellular respiration by itself

Question 19

Most of the ATP produced during cellular respiration is generated in the mitochondrial after the movement of hydrogen ions through ATP- synthesizing proteins in the inner membrane of the mitochondrion.

Accepted Answer

The answer of Most of the ATP produced during cellular...

Question 20

is a series of reactions, occurring under aerobic conditions, in which large amounts of ATP are produced from the breakdown of glucose.

Accepted Answer

Cellular r

Exam 8: Harvesting Energy: Glycolysis and Cellular Respiration

During which of the following processes is CO2 produced?

Chemiosmosis in mitochondria directly results in the synthesis of

In the glucose activation stage of glycolysis, glucose receives a phosphate group from ATP. This reaction is

Which event occurs in the fluid portion of the cytoplasm of a cell undergoing glucose metabolism?

Glycolysis and the Krebs cycle reactions both occur in the mitochondria.

Where does the production of pyruvate occur during glycolysis?

The overall products of glycolysis are

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

What molecule is common to both C3 photosynthesis and the process of glycolysis?

Which kind of metabolic poison would interfere with the glycolysis stage of cellular respiration?

If only one molecule of pyruvate (instead of two) were produced per glucose molecule metabolized in glycolysis, then which of the following would be produced after glycolysis and before the electron transport chain?

The inner membrane of the mitochondria can be compared functionally to the thylakoid membranes of the chloroplast because both contain a system for

The metabolic breakdown of one molecule of glucose generates the greatest amount of ATP energy during

After fermentation in human cells, lactate is converted to pyruvate in the

During cellular respiration, the pyruvate produced in glycolysis is

The term chemiosmosis is associated with which process?

During which of the following processes is ATP NOT produced?

Most of the ATP produced during cellular respiration is generated in the mitochondrial after the movement of hydrogen ions through ATP- synthesizing proteins in the inner membrane of the mitochondrion.

is a series of reactions, occurring under aerobic conditions, in which large amounts of ATP are produced from the breakdown of glucose.

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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During which of the following processes is CO₂ produced?