Question 1

The proteins in the cell membrane that can open and close are called:

Accepted Answer

A) enzymes. 
B) gated channel proteins. 
C) glycoproteins. 
D) both A and B. 
A) enzymes. 
B) gated channel proteins. 
C) glycoproteins. 
D) both A and B.

Question 2

A semipermeable membrane is needed for diffusion to occur.

Accepted Answer

A) True 
 B)False

Question 3

Which of the following is not true of the exocytosis?

Accepted Answer

A) The vesicles containing the protein were formed by the rough endoplasmic reticulum. 
B) The vesicles are pulled to the cell membrane by the cytoskeleton. 
C) The vesicles add to the structure of the cell membrane. 
D) All of the above are true of exocytosis. 
A) The vesicles containing the protein were formed by the rough endoplasmic reticulum. 
B) The vesicles are pulled to the cell membrane by the cytoskeleton. 
C) The vesicles add to the structure of the cell membrane. 
D) All of the above are true of exocytosis.

Question 4

Which of the following is true of anabolic pathways?

Accepted Answer

A) They turn larger molecules into smaller ones. 
B) They turn smaller molecules into larger ones. 
C) They require energy from the cell. 
D) Both B and C are true. 
A) They turn larger molecules into smaller ones. 
B) They turn smaller molecules into larger ones. 
C) They require energy from the cell. 
D) Both B and C are true.

Question 5

The force of a fluid pushing against a surface could be described as _____ pressure.

Accepted Answer

A) facilitated. 
B) hydrostatic. 
C) hypostatic. 
D) diffused. 
A) facilitated. 
B) hydrostatic. 
C) hypostatic. 
D) diffused.

Question 6

A solution may be defined as various solutes dissolved in a solvent.

Accepted Answer

A) True 
 B)False

Question 7

The active transport process involving pumps requires both a carrier system and cellular energy.

Accepted Answer

A) True 
 B)False

Question 8

Facilitated diffusion and simple diffusion move substances in opposite directions.

Accepted Answer

A) True 
 B)False

Question 9

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

Accepted Answer

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

Question 10

An enzyme is a catalyst.

Accepted Answer

A) True 
 B)False

Question 11

Diffusion of water through a selectively permeable membrane in the presence of at least one impermeable solute is referred to as:

Accepted Answer

A) diffusion. 
B) osmosis. 
C) phagocytosis. 
D) pinocytosis. 
A) diffusion. 
B) osmosis. 
C) phagocytosis. 
D) pinocytosis.

Question 12

The higher the osmotic pressure of a solution, the greater the tendency for water to move into it.

Accepted Answer

A) True 
 B)False

Question 13

Explain the classification system and naming system for enzymes.

Accepted Answer

The classification system for enzymes is

Question 14

Both the citric acid cycle and the electron transport system occur in the mitochondria.

Accepted Answer

A) True 
 B)False

Question 15

All enzyme names end with the suffix "-ase."

Accepted Answer

A) True 
 B)False

Question 16

Allosteric effectors activate or inactivate enzymes by changing the shape of the enzyme's active site.

Accepted Answer

A) True 
 B)False

Question 17

A saline solution that contains a higher concentration of salt than a red blood cell would be:

Accepted Answer

A) isotonic. 
B) hypotonic. 
C) hypertonic. 
D) hydrostatic. 
A) isotonic. 
B) hypotonic. 
C) hypertonic. 
D) hydrostatic.

Question 18

Most enzymes cannot catalyze a reaction in both directions.

Accepted Answer

A) True 
 B)False

Question 19

Oxygen is used in the citric acid cycle in cell respiration.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following is not true of glycolysis?

Accepted Answer

A) It occurs in the cytoplasm. 
B) It does not require oxygen. 
C) The energy is transferred to NADH. 
D) It is able to get almost all of the energy out of a glucose molecule. 
A) It occurs in the cytoplasm. 
B) It does not require oxygen. 
C) The energy is transferred to NADH. 
D) It is able to get almost all of the energy out of a glucose molecule.

Exam 6: Cell Function

The proteins in the cell membrane that can open and close are called:

A semipermeable membrane is needed for diffusion to occur.

Which of the following is not true of the exocytosis?

Which of the following is true of anabolic pathways?

The force of a fluid pushing against a surface could be described as _____ pressure.

A solution may be defined as various solutes dissolved in a solvent.

The active transport process involving pumps requires both a carrier system and cellular energy.

Facilitated diffusion and simple diffusion move substances in opposite directions.

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

An enzyme is a catalyst.

Diffusion of water through a selectively permeable membrane in the presence of at least one impermeable solute is referred to as:

The higher the osmotic pressure of a solution, the greater the tendency for water to move into it.

Explain the classification system and naming system for enzymes.

Both the citric acid cycle and the electron transport system occur in the mitochondria.

All enzyme names end with the suffix "-ase."

Allosteric effectors activate or inactivate enzymes by changing the shape of the enzyme's active site.

A saline solution that contains a higher concentration of salt than a red blood cell would be:

Most enzymes cannot catalyze a reaction in both directions.

Oxygen is used in the citric acid cycle in cell respiration.

Which of the following is not true of glycolysis?

Organization of the Body

Homeostasis

Chemistry of Life

Biomolecules

Cell Structure

Cell Growth and Development

Introduction to Tissues

Tissue Types

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Articulations

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Muscle Contraction

Nervous System Cells

Nerve Signaling

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General Senses

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Endocrine Regulation

Endocrine Glands

Blood

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Circulation of the Blood

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Stress

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Digestion and Absorption

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Urinary System

Fluid and Electrolyte Balance

Acid-Base Balance

Male Reproductive System

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Growth, Development, and Aging

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