Question 1

The burning pain we feel in our muscles during strenuous exercise is a result of

Accepted Answer

A)  the buildup of lactic acid during fermentation. 
B)  signals sent to the nervous system by O2-starved cells. 
C)  the accumulation of pyruvate in the absence of oxidative phosphorylation. 
D)  the lack of ATP needed to regulate the pain receptors in our muscle cells. 
A)  the buildup of lactic acid during fermentation. 
B)  signals sent to the nervous system by O2-starved cells. 
C)  the accumulation of pyruvate in the absence of oxidative phosphorylation. 
D)  the lack of ATP needed to regulate the pain receptors in our muscle cells.

Question 2

ATP synthase is a protein that participates in the redox reactions of the electron transport chain.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following statements explains how CAM plants have evolved to cope with the dangers of excessive water loss in very hot and dry regions like deserts?

Accepted Answer

A)  They are more efficient at water uptake than are C3 and C4 plants. 
B)  They have special adaptations that cool them off in very hot and dry weather. 
C)  They close their stomata at night and open them at daybreak to conserve water. 
D)  They open their stomata at night and close them at daybreak to conserve water. 
A)  They are more efficient at water uptake than are C3 and C4 plants. 
B)  They have special adaptations that cool them off in very hot and dry weather. 
C)  They close their stomata at night and open them at daybreak to conserve water. 
D)  They open their stomata at night and close them at daybreak to conserve water.

Question 4

In which of the following functions does ATP NOT participate?

Accepted Answer

A)  synthesis of macromolecules 
B)  synthesis of water from hydrogen and oxygen 
C)  membrane transport 
D)  cytoskeletal organization 
A)  synthesis of macromolecules 
B)  synthesis of water from hydrogen and oxygen 
C)  membrane transport 
D)  cytoskeletal organization

Question 5

Glycolysis occurs in a cell's

Accepted Answer

A)  nucleus. 
B)  chloroplast. 
C)  mitochondrion. 
D)  cytosol. 
A)  nucleus. 
B)  chloroplast. 
C)  mitochondrion. 
D)  cytosol.

Question 6

The Krebs cycle takes place in the

Accepted Answer

A)  mitochondrial matrix. 
B)  cytosol. 
C)  thylakoid membrane. 
D)  outer mitochondrial membrane. 
A)  mitochondrial matrix. 
B)  cytosol. 
C)  thylakoid membrane. 
D)  outer mitochondrial membrane.

Question 7

In mitochondria,the energy that electrons release as they move through the electron transport chain is used to transport

Accepted Answer

A)  electrons from the thylakoid matrix to the cytosol. 
B)  acetyl CoA into the Krebs cycle. 
C)  protons into the mitochondrial intermembrane space. 
D)  pyruvate into the first reaction of glycolysis. 
A)  electrons from the thylakoid matrix to the cytosol. 
B)  acetyl CoA into the Krebs cycle. 
C)  protons into the mitochondrial intermembrane space. 
D)  pyruvate into the first reaction of glycolysis.

Question 8

The inner membrane of a mitochondrion has many folds.Why?

Accepted Answer

A)  The folds protect the proteins in the inner membrane from the toxic by-products of cellular respiration. 
B)  The folds increase the space available for electron transport chains and ATP synthase molecules,increasing the efficiency of ATP production. 
C)  The extra folds make the mitochondrion more efficient at capturing carbon dioxide. 
D)  The antenna complexes in the inner membrane form clusters that force the membrane into folds. 
A)  The folds protect the proteins in the inner membrane from the toxic by-products of cellular respiration. 
B)  The folds increase the space available for electron transport chains and ATP synthase molecules,increasing the efficiency of ATP production. 
C)  The extra folds make the mitochondrion more efficient at capturing carbon dioxide. 
D)  The antenna complexes in the inner membrane form clusters that force the membrane into folds.

Question 9

The molecular energy carrier that has less energy than other energy carriers but is more versatile because of its ability to be used in a larger variety of chemical reactions is ________.

Accepted Answer

The answer of The molecular energy carrier that has less...

Exam 6: Photosynthesis and Cellular Respiration

The burning pain we feel in our muscles during strenuous exercise is a result of

ATP synthase is a protein that participates in the redox reactions of the electron transport chain.

Which of the following statements explains how CAM plants have evolved to cope with the dangers of excessive water loss in very hot and dry regions like deserts?

In which of the following functions does ATP NOT participate?

Glycolysis occurs in a cell's

The Krebs cycle takes place in the

In mitochondria,the energy that electrons release as they move through the electron transport chain is used to transport

The inner membrane of a mitochondrion has many folds.Why?

The molecular energy carrier that has less energy than other energy carriers but is more versatile because of its ability to be used in a larger variety of chemical reactions is ________.

The Nature of Science and the Characteristics of Life

The Chemistry of Life

Cell Structure and Internal Compartments

Cell Membranes, Transport, and Communication

Energy, Metabolism, and Enzymes

Cell Division

Cancer and Human Health

Patterns of Inheritance

Chromosomes and Human Genetics

DNA and Genes

From Gene to Protein

DNA Technology

How Evolution Works

The Origin of Species

The Evolution of Biodiversity

Biological Diversity, Bacteria, and Archaea

Protista, Plantae, and Fungi

Animalia

The Biosphere

Growth of Populations

Animal Behavior

Ecological Communities

Ecosystems

Global Change

Internal Organization and Homeostasis

Nutrition and Digestion

Circulation and Gas Exchange

Animal Hormones

Nervous and Sensory Systems

Skeletons,Muscles,and Movement

The Immune System

Reproduction and Development

Plant Structure, Nutrition, and Transport

Plant Growth and Reproduction

Filters