Question 1

The basic framework of a cell membrane is a triple layer of lipid molecules.

Accepted Answer

A) True 
 B)False

Question 2

The three-dimensional form of a cell affects its ability to perform its function.

Accepted Answer

A) True 
 B)False

Question 3

All integral proteins extend through the plasma membrane and protrude on both sides.

Accepted Answer

A) True 
 B)False

Question 4

Within the nucleoplasm,ribosomes are formed in a small dense body called the _________.

Accepted Answer

The answer of Within the nucleoplasm,ribosomes are formed in a...

Question 5

Among other functions,lysosomes detoxify alcohol and break down hydrogen peroxide.

Accepted Answer

A) True 
 B)False

Question 6

Apoptosis is

Accepted Answer

A)  a form of secretion. 
B)  a form of cell division. 
C)  an abnormal form of development. 
D)  a response to injury. 
E)  a form of cell death. 
A)  a form of secretion. 
B)  a form of cell division. 
C)  an abnormal form of development. 
D)  a response to injury. 
E)  a form of cell death.

Question 7

The rods and tubules of the cytoskeleton are built of

Accepted Answer

A)  carbohydrates. 
B)  cilia. 
C)  lipids. 
D)  protein. 
E)  endoplasmic reticulum. 
A)  carbohydrates. 
B)  cilia. 
C)  lipids. 
D)  protein. 
E)  endoplasmic reticulum.

Question 8

Membrane proteins are classified by their

Accepted Answer

A)  position. 
B)  size. 
C)  abundance. 
D)  amino acid diversity. 
E)  oiliness. 
A)  position. 
B)  size. 
C)  abundance. 
D)  amino acid diversity. 
E)  oiliness.

Question 9

Which of the following is NOT a component of the cell membrane?

Accepted Answer

A)  proteins 
B)  lipids 
C)  cholesterol 
D)  glycerol 
E)  glycogen 
A)  proteins 
B)  lipids 
C)  cholesterol 
D)  glycerol 
E)  glycogen

Question 10

Nuclear pores are channels composed of tubulin,a single protein that also forms microfilaments.

Accepted Answer

A) True 
 B)False

Question 11

Specialized structures within cells are called organelles.

Accepted Answer

A) True 
 B)False

Question 12

Tina has a sunburn.A week later,the skin on her burnt shoulder peels away.The cells are undergoing

Accepted Answer

A)  apoptosis. 
B)  mitosis. 
C)  metastasis. 
D)  secretion. 
E)  signal transduction. 
A)  apoptosis. 
B)  mitosis. 
C)  metastasis. 
D)  secretion. 
E)  signal transduction.

Question 13

The spread of cancer cells beyond the tissue where they originated is called

Accepted Answer

A)  mitosis. 
B)  apoptosis. 
C)  metastasis. 
D)  angiogenesis. 
E)  meiosis. 
A)  mitosis. 
B)  apoptosis. 
C)  metastasis. 
D)  angiogenesis. 
E)  meiosis.

Question 14

A centrosome consists of two structures called

Accepted Answer

A)  centrioles. 
B)  centromeres. 
C)  nuclei. 
D)  vesicles. 
E)  chromosomes. 
A)  centrioles. 
B)  centromeres. 
C)  nuclei. 
D)  vesicles. 
E)  chromosomes.

Question 15

Tiny droplets of fluid can enter and cross a cell membrane from the outside in a process called

Accepted Answer

A)  phagocytosis. 
B)  active transport. 
C)  passive transport. 
D)  pinocytosis. 
E)  receptor-mediated endocytosis. 
A)  phagocytosis. 
B)  active transport. 
C)  passive transport. 
D)  pinocytosis. 
E)  receptor-mediated endocytosis.

Question 16

The phases of the cell cycle are

Accepted Answer

A)  interphase,mitosis and cytokinesis. 
B)  interphase,mitosis and meiosis. 
C)  prophase,metaphase,anaphase and telophase. 
D)  intraphase,meiosis and telophase. 
E)  different in different cell types. 
A)  interphase,mitosis and cytokinesis. 
B)  interphase,mitosis and meiosis. 
C)  prophase,metaphase,anaphase and telophase. 
D)  intraphase,meiosis and telophase. 
E)  different in different cell types.

Question 17

A ligand is a molecule that enters a cell using

Accepted Answer

A)  active transport. 
B)  exocytosis. 
C)  receptor-mediated endocytosis. 
D)  pinocytosis. 
E)  passive diffusion. 
A)  active transport. 
B)  exocytosis. 
C)  receptor-mediated endocytosis. 
D)  pinocytosis. 
E)  passive diffusion.

Question 18

A type of cell that has a flagellum is a(n)

Accepted Answer

A)  egg. 
B)  sperm. 
C)  nerve cell. 
D)  muscle cell. 
E)  white blood cell. 
A)  egg. 
B)  sperm. 
C)  nerve cell. 
D)  muscle cell. 
E)  white blood cell.

Question 19

A cell membrane is composed mostly of

Accepted Answer

A)  DNA and RNA. 
B)  carbohydrates and lipids. 
C)  proteins and nucleic acids. 
D)  sugars and starches. 
E)  proteins and lipids. 
A)  DNA and RNA. 
B)  carbohydrates and lipids. 
C)  proteins and nucleic acids. 
D)  sugars and starches. 
E)  proteins and lipids.

Question 20

Vesicles are formed mainly by folding of the

Accepted Answer

A)  lysosomal membrane. 
B)  nuclear membrane. 
C)  cell membrane. 
D)  endoplasmic reticulum. 
E)  Golgi apparatus. 
A)  lysosomal membrane. 
B)  nuclear membrane. 
C)  cell membrane. 
D)  endoplasmic reticulum. 
E)  Golgi apparatus.

The basic framework of a cell membrane is a triple layer of lipid molecules.

The three-dimensional form of a cell affects its ability to perform its function.

All integral proteins extend through the plasma membrane and protrude on both sides.

Within the nucleoplasm,ribosomes are formed in a small dense body called the _________.

Among other functions,lysosomes detoxify alcohol and break down hydrogen peroxide.

Apoptosis is

The rods and tubules of the cytoskeleton are built of

Membrane proteins are classified by their

Which of the following is NOT a component of the cell membrane?

Nuclear pores are channels composed of tubulin,a single protein that also forms microfilaments.

Specialized structures within cells are called organelles.

Tina has a sunburn.A week later,the skin on her burnt shoulder peels away.The cells are undergoing

The spread of cancer cells beyond the tissue where they originated is called

A centrosome consists of two structures called

Tiny droplets of fluid can enter and cross a cell membrane from the outside in a process called

The phases of the cell cycle are

A ligand is a molecule that enters a cell using

A type of cell that has a flagellum is a(n)

A cell membrane is composed mostly of

Vesicles are formed mainly by folding of the

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Muscular System

Nervous System

The Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestive System and Nutrition

Respiratory System

Urinary System

Water, electrolyte, and Acid-Base Balance

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Pregnancy, growth, development, and Genetics

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Exam 3: Cells

The basic framework of a cell membrane is a triple layer of lipid molecules.

The three-dimensional form of a cell affects its ability to perform its function.

All integral proteins extend through the plasma membrane and protrude on both sides.

Within the nucleoplasm,ribosomes are formed in a small dense body called the _________.

Among other functions,lysosomes detoxify alcohol and break down hydrogen peroxide.

Apoptosis is

The rods and tubules of the cytoskeleton are built of

Membrane proteins are classified by their

Which of the following is NOT a component of the cell membrane?

Nuclear pores are channels composed of tubulin,a single protein that also forms microfilaments.

Specialized structures within cells are called organelles.

Tina has a sunburn.A week later,the skin on her burnt shoulder peels away.The cells are undergoing

The spread of cancer cells beyond the tissue where they originated is called

A centrosome consists of two structures called

Tiny droplets of fluid can enter and cross a cell membrane from the outside in a process called

The phases of the cell cycle are

A ligand is a molecule that enters a cell using

A type of cell that has a flagellum is a(n)

A cell membrane is composed mostly of

Vesicles are formed mainly by folding of the

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Muscular System

Nervous System

The Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestive System and Nutrition

Respiratory System

Urinary System

Water, electrolyte, and Acid-Base Balance

Reproductive Systems

Pregnancy, growth, development, and Genetics

Filters