Question 1

In aerobic respiration, the function of oxygen is to combine with:

Accepted Answer

A)  pyruvic acid in glycolysis. 
B)  NADH in the citric acid cycle. 
C)  electrons and hydrogen at the end of the electron transport system. 
D)  lactic acid in glycolysis. 
A)  pyruvic acid in glycolysis. 
B)  NADH in the citric acid cycle. 
C)  electrons and hydrogen at the end of the electron transport system. 
D)  lactic acid in glycolysis. C

Question 2

One explanation of the action associated with isotonic solutions is that they all have the same potential osmotic pressure.

Accepted Answer

A) True 
 B)False  True

Question 3

The process of glycolysis does not occur in a specific organelle.

Accepted Answer

A) True 
 B)False  True

Question 4

Match each term with its description.
-First step in cellular respiration

Accepted Answer

A) Cytosol 
B) Citric acid cycle 
C) Pyruvic acid 
D) Acetyl coenzyme A 
E) NAD
F)Mitochondria
G)Lactic acid
H)Electron transport system
I)Anaerobic
J)Glycolysis 
A) Cytosol 
B) Citric acid cycle 
C) Pyruvic acid 
D) Acetyl coenzyme A 
E) NAD
F)Mitochondria
G)Lactic acid
H)Electron transport system
I)Anaerobic
J)Glycolysis

Question 5

NaCl would move through the cell membrane in which direction?

Accepted Answer

A)  Both into and out of the cell 
B)  Into the cell 
C)  Out of the cell 
D)  Neither into nor out of the cell 
A)  Both into and out of the cell 
B)  Into the cell 
C)  Out of the cell 
D)  Neither into nor out of the cell

Question 6

An enzyme eliminates the activation energy needed for a reaction to occur.

Accepted Answer

A) True 
 B)False

Question 7

Which factor can have an effect on the functioning of an enzyme?

Accepted Answer

A)  Temperature 
B)  pH 
C)  An increase in the amount of end product produced by a reaction 
D)  All of the above 
A)  Temperature 
B)  pH 
C)  An increase in the amount of end product produced by a reaction 
D)  All of the above

Question 8

The size of the molecule is an important factor in both dialysis and filtration.

Accepted Answer

A) True 
 B)False

Question 9

Match the name of each enzyme with its function or description.
-Add or remove carbon dioxide

Accepted Answer

A) Hydrases 
B) Hydrolases 
C) Phosphorylating enzymes 
D) Mutases or isomerases 
E) Carboxylases or decarboxylases
F)Oxidases and hydrogenases 
A) Hydrases 
B) Hydrolases 
C) Phosphorylating enzymes 
D) Mutases or isomerases 
E) Carboxylases or decarboxylases
F)Oxidases and hydrogenases

Question 10

Match each term with its description.
-Converted from pyruvic acid if no oxygen is present

Accepted Answer

A) Cytosol 
B) Citric acid cycle 
C) Pyruvic acid 
D) Acetyl coenzyme A 
E) NAD
F)Mitochondria
G)Lactic acid
H)Electron transport system
I)Anaerobic
J)Glycolysis 
A) Cytosol 
B) Citric acid cycle 
C) Pyruvic acid 
D) Acetyl coenzyme A 
E) NAD
F)Mitochondria
G)Lactic acid
H)Electron transport system
I)Anaerobic
J)Glycolysis

Question 11

Match each term with its description.
-End product of glycolysis

Accepted Answer

A) Cytosol 
B) Citric acid cycle 
C) Pyruvic acid 
D) Acetyl coenzyme A 
E) NAD
F)Mitochondria
G)Lactic acid
H)Electron transport system
I)Anaerobic
J)Glycolysis 
A) Cytosol 
B) Citric acid cycle 
C) Pyruvic acid 
D) Acetyl coenzyme A 
E) NAD
F)Mitochondria
G)Lactic acid
H)Electron transport system
I)Anaerobic
J)Glycolysis

Question 12

Both temperature and pH change can affect the allosteric site of an enzyme.

Accepted Answer

A) True 
 B)False

Question 13

Facilitated diffusion is a metabolically inexpensive process.

Accepted Answer

A) True 
 B)False

Question 14

Hydrostatic pressure in the blood is:

Accepted Answer

A)  generated by the contraction of the heart. 
B)  generated by gravity. 
C)  important to the functioning of the kidney. 
D)  all of the above. 
A)  generated by the contraction of the heart. 
B)  generated by gravity. 
C)  important to the functioning of the kidney. 
D)  all of the above.

Question 15

Gated channels in the cell membrane can be "opened" by:

Accepted Answer

A)  electrical changes or voltage. 
B)  chemicals. 
C)  light. 
D)  all of the above. 
A)  electrical changes or voltage. 
B)  chemicals. 
C)  light. 
D)  all of the above.

Question 16

For osmosis to occur, a selectively permeable membrane must be present.

Accepted Answer

A) True 
 B)False

Question 17

When molecules pass directly through the cell membrane, the process is called filtration.

Accepted Answer

A) True 
 B)False

Question 18

A 10% solution of NaCl has a higher concentration of water than a 10% solution of glucose.

Accepted Answer

A) True 
 B)False

Question 19

Anaerobic respiration is about 17 times more efficient in producing ATP than is aerobic respiration.

Accepted Answer

A) True 
 B)False

Question 20

If a 20% glucose solution were separated from a 10% glucose solution by a permeable membrane:

Accepted Answer

A)  glucose would move from the 20% solution to the 10% solution. 
B)  water would move from the 10% solution to the 20% solution. 
C)  water would move from the 20% solution to the 10% solution. 
D)  both A and B would occur. 
A)  glucose would move from the 20% solution to the 10% solution. 
B)  water would move from the 10% solution to the 20% solution. 
C)  water would move from the 20% solution to the 10% solution. 
D)  both A and B would occur.

Exam 6: Cell Function

In aerobic respiration, the function of oxygen is to combine with:

One explanation of the action associated with isotonic solutions is that they all have the same potential osmotic pressure.

The process of glycolysis does not occur in a specific organelle.

Match each term with its description. -First step in cellular respiration

NaCl would move through the cell membrane in which direction?

An enzyme eliminates the activation energy needed for a reaction to occur.

Which factor can have an effect on the functioning of an enzyme?

The size of the molecule is an important factor in both dialysis and filtration.

Match the name of each enzyme with its function or description. -Add or remove carbon dioxide

Match each term with its description. -Converted from pyruvic acid if no oxygen is present

Match each term with its description. -End product of glycolysis

Both temperature and pH change can affect the allosteric site of an enzyme.

Facilitated diffusion is a metabolically inexpensive process.

Hydrostatic pressure in the blood is:

Gated channels in the cell membrane can be "opened" by:

For osmosis to occur, a selectively permeable membrane must be present.

When molecules pass directly through the cell membrane, the process is called filtration.

A 10% solution of NaCl has a higher concentration of water than a 10% solution of glucose.

Anaerobic respiration is about 17 times more efficient in producing ATP than is aerobic respiration.

If a 20% glucose solution were separated from a 10% glucose solution by a permeable membrane:

Organization of the Body

Homeostasis

Chemical Basis of Life

Biomolecules

Cell Structure

Cell Growth and Development

Introduction to Tissues

Tissue Types

Skin

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Axial Skeleton

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Articulations

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Muscle Contraction

Nervous System Cells

Nerve Signaling

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Autonomic Nervous System

General Senses

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Endocrine Regulation

Endocrine Glands

Blood

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Circulation of the Blood

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Innate Immunity

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Stress

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Ventilation

Gas Exchange & Transport

Upper Digestive Tract

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Digestion and Absorption

Nutrition and Metabolism

Urinary System

Fluid and Electrolyte Balance

Acid Base Balance

Male Reproductive System

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Growth and Development

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