Question 1

Which of the following molecules is produced in the intermediate step between glycolysis and the Krebs cycle?

Accepted Answer

A) ATP 
B) oxaloacetate 
C) pyruvic acid 
D) acetyl CoA 
E) citric acid 
A) ATP 
B) oxaloacetate 
C) pyruvic acid 
D) acetyl CoA 
E) citric acid

Question 2

A molecule that has gained electrons has been ________.

Accepted Answer

The answer of A molecule that has gained electrons has...

Question 3

In order for one molecule to be oxidized,another molecule must be reduced.

Accepted Answer

A) True 
 B)False

Question 4

Glycolysis produces how many molecules of NADH?

Accepted Answer

A) one 
B) two 
C) three 
D) four 
A) one 
B) two 
C) three 
D) four

Question 5

One of the most common misconceptions about cellular respiration is that we inhale oxygen and that this oxygen is converted to carbon dioxide,which we exhale.Explain what happens to the oxygen we inhale during cellular respiration.Then explain where the carbon dioxide we exhale comes from in cellular respiration.

Accepted Answer

The oxygen is used to produce ATP from t

Question 6

The electron transport chain is used during which of the following processes?

Accepted Answer

A) lactate fermentation 
B) aerobic cellular respiration 
C) glycolysis 
D) alcoholic fermentation 
A) lactate fermentation 
B) aerobic cellular respiration 
C) glycolysis 
D) alcoholic fermentation

Question 7

The chemical equation that summarizes the process of cellular respiration is:

Accepted Answer

A) C₆H₁₂O₆ + 6CO₂ + 36ADP + 36P → 6O₂ + 6H₂O + 36ATP 
B) 6O₂ + 6H₂O + 36 ATP → C₆H₁₂O₆ + O₂ + 36ADP + 36P 
C) C₆H₁2O₆ + 6O₂ + 36ATP → 6O₂ + 6H₂O + 36 ADP + 36P 
D) C₆H₁₂O₆ + 6O₂ + 36ADP + 36P → 6O₂ + 6H₂O + 36ATP 
A) C₆H₁₂O₆ + 6CO₂ + 36ADP + 36P → 6O₂ + 6H₂O + 36ATP 
B) 6O₂ + 6H₂O + 36 ATP → C₆H₁₂O₆ + O₂ + 36ADP + 36P 
C) C₆H₁2O₆ + 6O₂ + 36ATP → 6O₂ + 6H₂O + 36 ADP + 36P 
D) C₆H₁₂O₆ + 6O₂ + 36ADP + 36P → 6O₂ + 6H₂O + 36ATP

Question 8

In order for a fat to be used for energy,it must first be broken down into:

Accepted Answer

A) amino acids. 
B) glucose. 
C) fatty acids and sugars. 
D) fatty acids and glycerol. 
A) amino acids. 
B) glucose. 
C) fatty acids and sugars. 
D) fatty acids and glycerol.

Question 9

The most important electron carrier in cellular respiration is ________.

Accepted Answer

The answer of The most important electron carrier in cellular...

Question 10

Which of the following is an example of a molecule being oxidized?

Accepted Answer

A) oxygen being converted into H₂O 
B) pyruvate being converted into lactic acid 
C) FAD being converted into FADH₂ 
D) NADH being converted into NAD⁺ 
A) oxygen being converted into H₂O 
B) pyruvate being converted into lactic acid 
C) FAD being converted into FADH₂ 
D) NADH being converted into NAD⁺

Question 11

Glycolysis probably evolved before the Krebs cycle.

Accepted Answer

A) True 
 B)False

Question 12

Mitochondria can be isolated from cells and their production of ATP measured.You want to identify the mechanism of ATP production,so you isolate mitochondria,remove the outer membrane,and place them in a high pH solution.What will happen to the ATP production if you start to lower the pH by adding hydrogen ions to the solution?

Accepted Answer

As hydrogen ion concentration

Question 13

The three-carbon ________ combines with coenzyme A to form ________.

Accepted Answer

pyruvic ac

Question 14

________ is the first product of the Krebs cycle.

Accepted Answer

The answer of ________ is the first product of the...

Question 15

During the Krebs cycle,acetyl CoA covalently binds to oxaloacetate to form citrate,a ________ -carbon molecule.

Accepted Answer

A) six 
B) three 
C) five 
D) two 
E) four 
A) six 
B) three 
C) five 
D) two 
E) four

Question 16

Cells capture the energy from food and store it in the form of:

Accepted Answer

A) glucose. 
B) ATP. 
C) oxygen. 
D) heat. 
E) carbon dioxide. 
A) glucose. 
B) ATP. 
C) oxygen. 
D) heat. 
E) carbon dioxide.

Question 17

Eukaryotic cells require oxygen to:

Accepted Answer

A) enter the Krebs cycle as an intermediate. 
B) perform fermentation. 
C) breathe. 
D) serve as an electron acceptor in the electron transport chain. 
E) start glycolysis. 
A) enter the Krebs cycle as an intermediate. 
B) perform fermentation. 
C) breathe. 
D) serve as an electron acceptor in the electron transport chain. 
E) start glycolysis.

Question 18

Which of the following are electron carriers produced by the Krebs cycle?

Accepted Answer

A) ATP and FADH₂ 
B) ATP and CO₂ 
C) NADH and ATP 
D) NADH and FADH₂ 
A) ATP and FADH₂ 
B) ATP and CO₂ 
C) NADH and ATP 
D) NADH and FADH₂

Question 19

When acetyl CoA enters the Krebs cycle,the first molecule produced is:

Accepted Answer

A) citric acid. 
B) α-ketoglutaric acid. 
C) succinic acid. 
D) malic acid. 
E) oxaloacetatic acid. 
A) citric acid. 
B) α-ketoglutaric acid. 
C) succinic acid. 
D) malic acid. 
E) oxaloacetatic acid.

Question 20

Before starch can be used for cellular respiration,it must be broken down into:

Accepted Answer

A) pyruvate. 
B) fatty acid. 
C) oxaloacetatic acid. 
D) amino acids. 
E) glucose. 
A) pyruvate. 
B) fatty acid. 
C) oxaloacetatic acid. 
D) amino acids. 
E) glucose.

Exam 7: Vital Harvest: Deriving Energy From Food

Which of the following molecules is produced in the intermediate step between glycolysis and the Krebs cycle?

A molecule that has gained electrons has been ________.

In order for one molecule to be oxidized,another molecule must be reduced.

Glycolysis produces how many molecules of NADH?

The electron transport chain is used during which of the following processes?

The chemical equation that summarizes the process of cellular respiration is:

In order for a fat to be used for energy,it must first be broken down into:

The most important electron carrier in cellular respiration is ________.

Which of the following is an example of a molecule being oxidized?

Glycolysis probably evolved before the Krebs cycle.

The three-carbon ________ combines with coenzyme A to form ________.

________ is the first product of the Krebs cycle.

During the Krebs cycle,acetyl CoA covalently binds to oxaloacetate to form citrate,a ________ -carbon molecule.

Cells capture the energy from food and store it in the form of:

Eukaryotic cells require oxygen to:

Which of the following are electron carriers produced by the Krebs cycle?

When acetyl CoA enters the Krebs cycle,the first molecule produced is:

Before starch can be used for cellular respiration,it must be broken down into:

Science As a Way of Learning: a Guide to the Natural World

Fundamental Building Blocks: Chemistry, water, and Ph

Lifes Components: Biological Molecules

Lifes Home: the Cell

Lifes Border: the Plasma Membrane

Lifes Mainspring: an Introduction to Energy

The Green Worlds Gift: Photosynthesis

The Links in Lifes Chain: Genetics and Cell Division

Preparing for Sexual Reproduction: Meiosis

The First Geneticist: Mendel and His Discoveries

Units of Heredity: Chromosomes and Inheritance

Passing on Lifes Information: Dna Structure and Replication

How Proteins Are Made: Genetic Transcription, translation, and Regulation

The Future Isnt What It Used to Be: Biotechnology

An Introduction to Evolution: Charles Darwin, evolutionary Thought, and the Evidence for Evolution

The Means of Evolution: Microevolution

The Outcomes of Evolution: Macroevolution

A Slow Unfolding: the History of Life on Earth

Arriving Late,traveling Far: the Evolution of Human Beings

Viruses,bacteria,archaea,and Protists: the Diversity of Life 1

Fungi: the Diversity of Life 2

Animals: the Diversity of Life 3

Plants: the Diversity of Life 4

The Angiosperms: Form and Function in Flowering Plants

Body Support and Movement: the Integumentary, skeletal, and Muscular Systems

Communication and Control 1: the Nervous System

Communication and Control 2: the Endocrine System

Defending the Body: the Immune System

Transport and Exchange 1: Blood and Breath

Transport and Exchange 2: Digestion, nutrition, and Elimination

An Amazingly Detailed Script: Animal Development

How the Baby Came to Be: Human Reproduction

An Interactive Living World 1: Populations in Ecology

An Interactive Living World 2: Communities in Ecology

An Interactive Living World 3: Ecosystems and Biomes

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The three-carbon combines with coenzyme A to form .