Question 1

An alternate term for tumor is

Accepted Answer

A)  neoplasm. 
B)  cytoplasm. 
C)  benign malignancy. 
D)  primary metastasis. 
E)  nucleoplasm. 
A)  neoplasm. 
B)  cytoplasm. 
C)  benign malignancy. 
D)  primary metastasis. 
E)  nucleoplasm. A

Question 2

Figure 3-1 The Plasma membrane

Use Figure 3-1 to answer the following questions.
-Microfilaments are labeled

Accepted Answer

A)  1. 
B)  2. 
C)  3. 
D)  5. 
E)  6. 
A)  1. 
B)  2. 
C)  3. 
D)  5. 
E)  6. D

Question 3

Figure 3-2 The Anatomy of a Representative Cell

Use Figure 3-2 to answer the following questions:
-Synthesis of carbohydrates and lipids occurs in the structure labeled

Accepted Answer

A)  4. 
B)  5. 
C)  6. 
D)  7. 
E)  8. 
A)  4. 
B)  5. 
C)  6. 
D)  7. 
E)  8. D

Question 4

The proper distribution of a somatic cell's genetic material to two daughter cells is accomplished by theprocess of

Accepted Answer

A)  cytosis. 
B)  mitosis. 
C)  cytokinesis. 
D)  phoresis. 
E)  meiosis. 
A)  cytosis. 
B)  mitosis. 
C)  cytokinesis. 
D)  phoresis. 
E)  meiosis.

Question 5

Which of the following best describes osmosis?

Accepted Answer

A)  active transport of water across the cell membrane 
B)  diffusion of water from a greater to a lesser water concentration 
C)  movement of water into a solute 
D)  diffusion of water from a greater to a lesser water concentration across a selectively permeable membrane 
E)  random movement of water due to kinetic energy 
A)  active transport of water across the cell membrane 
B)  diffusion of water from a greater to a lesser water concentration 
C)  movement of water into a solute 
D)  diffusion of water from a greater to a lesser water concentration across a selectively permeable membrane 
E)  random movement of water due to kinetic energy

Question 6

Tell how a carcinogen can cause cancer, and describe the progression of cancer.

Accepted Answer

Some carcinogens directly cause rapid ce

Question 7

Some cells contain large numbers of mitochondria while others have relatively few or none. This suggeststhat

Accepted Answer

A)  cells with large numbers of mitochondria are short-lived. 
B)  cells with large numbers of mitochondria have a high energy demand. 
C)  cells with small numbers of mitochondria have a large ATP supply. 
D)  cells with large numbers of mitochondria have a low energy demand. 
E)  some cells are older than others. 
A)  cells with large numbers of mitochondria are short-lived. 
B)  cells with large numbers of mitochondria have a high energy demand. 
C)  cells with small numbers of mitochondria have a large ATP supply. 
D)  cells with large numbers of mitochondria have a low energy demand. 
E)  some cells are older than others.

Question 8

Different cell types in the body

Accepted Answer

A)  produce exactly the same proteins. 
B)  have different genes. 
C)  are identical except for their superficial appearance. 
D)  have the same genes, but different sets of genes are inactivated. 
E)  have the ability to take on the characteristics of each other or any cell in the body. 
A)  produce exactly the same proteins. 
B)  have different genes. 
C)  are identical except for their superficial appearance. 
D)  have the same genes, but different sets of genes are inactivated. 
E)  have the ability to take on the characteristics of each other or any cell in the body.

Question 9

Hemolysis may occur when a blood cell is placed into a(n) ________ solution.

Accepted Answer

A)  isotonic 
B)  hypertonic 
C)  hypotonic 
D)  merotonic 
E)  homotonic 
A)  isotonic 
B)  hypertonic 
C)  hypotonic 
D)  merotonic 
E)  homotonic

Question 10

In cells that are not dividing, chromosomes uncoil to form a tangle of fine fibers known as

Accepted Answer

A)  histones. 
B)  histiocytes. 
C)  chromatin. 
D)  chromaffin. 
E)  genes. 
A)  histones. 
B)  histiocytes. 
C)  chromatin. 
D)  chromaffin. 
E)  genes.

Question 11

Which of the following statements about the Golgi apparatus is false?

Accepted Answer

A)  It receives transport vesicles from the RER. 
B)  It sends transport vesicles to the RER. 
C)  It produces lysosomes. 
D)  It supplies new membrane components. 
E)  It produces secretory vesicles. 
A)  It receives transport vesicles from the RER. 
B)  It sends transport vesicles to the RER. 
C)  It produces lysosomes. 
D)  It supplies new membrane components. 
E)  It produces secretory vesicles.

Question 12

Receptor-mediated endocytosis

Accepted Answer

A)  is a type of secretion. 
B)  imports target molecules after they bind to membrane proteins. 
C)  does not require energy from the cell. 
D)  can only move a substance down its concentration gradient. 
E)  imports extracellular fluid, including all of its dissolved molecules. 
A)  is a type of secretion. 
B)  imports target molecules after they bind to membrane proteins. 
C)  does not require energy from the cell. 
D)  can only move a substance down its concentration gradient. 
E)  imports extracellular fluid, including all of its dissolved molecules.

Question 13

Breathing faster and deeper eliminates more carbon dioxide from the body than normal breathing. Under these circumstances, in the lungs

Accepted Answer

A)  more carbon dioxide will diffuse out of the blood. 
B)  more carbon dioxide will diffuse into the blood. 
C)  less carbon dioxide will diffuse out of the blood. 
D)  less carbon dioxide will diffuse into the blood. 
E)  the amount of carbon dioxide diffusion will remain unchanged. 
A)  more carbon dioxide will diffuse out of the blood. 
B)  more carbon dioxide will diffuse into the blood. 
C)  less carbon dioxide will diffuse out of the blood. 
D)  less carbon dioxide will diffuse into the blood. 
E)  the amount of carbon dioxide diffusion will remain unchanged.

Question 14

In DNA replication,

Accepted Answer

A)  23 copies are made of each chromosome. 
B)  one new copy is made of each chromosome, and the original chromosome remains intact. 
C)  two new copies are made of each chromosome, and the original chromosome is destroyed. 
D)  two copies are made of each chromosome, and each copy contains one of the DNA strands from the original chromosome. 
E)  the chromosome is copied to RNA, which is then copied to DNA for a new chromosome. 
A)  23 copies are made of each chromosome. 
B)  one new copy is made of each chromosome, and the original chromosome remains intact. 
C)  two new copies are made of each chromosome, and the original chromosome is destroyed. 
D)  two copies are made of each chromosome, and each copy contains one of the DNA strands from the original chromosome. 
E)  the chromosome is copied to RNA, which is then copied to DNA for a new chromosome.

Question 15

Macrophages are cells that engulf and consume germs or debris. What organelle must be especially plentifulin these cells?

Accepted Answer

A)  centrioles 
B)  lysosomes 
C)  mitochondria 
D)  ribosomes 
E)  nuclei 
A)  centrioles 
B)  lysosomes 
C)  mitochondria 
D)  ribosomes 
E)  nuclei

Question 16

When a person receives intravenous fluids to help build up blood volume, why is it important for the fluid to be isotonic?

Accepted Answer

Intravenous fluids must be isotonic to p

Question 17

The smallest living unit within the human body is

Accepted Answer

A)  a protein. 
B)  a cell. 
C)  a tissue. 
D)  an organ. 
E)  an organ system. 
A)  a protein. 
B)  a cell. 
C)  a tissue. 
D)  an organ. 
E)  an organ system.

Question 18

Differentiate between transcription and translation.

Accepted Answer

In transcription, RNA polymerase uses th

Question 19

Which of the following is false about DNA fingerprinting?

Accepted Answer

A)  determined by analyzing proteins 
B)  unique to each individual with the exception of identical twins 
C)  used extensively during crime scene investigations 
D)  may be obtained from blood, semen, hair, and other tissues 
E)  based on short tandem repeats (STRs) in the DNA 
A)  determined by analyzing proteins 
B)  unique to each individual with the exception of identical twins 
C)  used extensively during crime scene investigations 
D)  may be obtained from blood, semen, hair, and other tissues 
E)  based on short tandem repeats (STRs) in the DNA

Question 20

Most of the surface area of a plasma membrane consists of

Accepted Answer

A)  a protein bilayer. 
B)  a phospholipid bilayer. 
C)  carbohydrate molecules. 
D)  DNA. 
E)  cells. 
A)  a protein bilayer. 
B)  a phospholipid bilayer. 
C)  carbohydrate molecules. 
D)  DNA. 
E)  cells.

Exam 3: The Cellular Level of Organization

An alternate term for tumor is

Figure 3-1 The Plasma membrane Use Figure 3-1 to answer the following questions. -Microfilaments are labeled

Figure 3-2 The Anatomy of a Representative Cell Use Figure 3-2 to answer the following questions: -Synthesis of carbohydrates and lipids occurs in the structure labeled

The proper distribution of a somatic cell's genetic material to two daughter cells is accomplished by theprocess of

Which of the following best describes osmosis?

Tell how a carcinogen can cause cancer, and describe the progression of cancer.

Some cells contain large numbers of mitochondria while others have relatively few or none. This suggeststhat

Different cell types in the body

Hemolysis may occur when a blood cell is placed into a(n) ________ solution.

In cells that are not dividing, chromosomes uncoil to form a tangle of fine fibers known as

Which of the following statements about the Golgi apparatus is false?

Receptor-mediated endocytosis

Breathing faster and deeper eliminates more carbon dioxide from the body than normal breathing. Under these circumstances, in the lungs

In DNA replication,

Macrophages are cells that engulf and consume germs or debris. What organelle must be especially plentifulin these cells?

When a person receives intravenous fluids to help build up blood volume, why is it important for the fluid to be isotonic?

The smallest living unit within the human body is

Differentiate between transcription and translation.

Which of the following is false about DNA fingerprinting?

Most of the surface area of a plasma membrane consists of

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Tissue Level of Organization

The Integumentary System

Bones and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Nervous Tissue

The Spinal Cord, Spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Sensory Pathways and the Somatic Nervous System

The Autonomic Nervous System and Higher-Order Functions

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism, Nutrition, and Energetics

The Urinary System

Fluid, Electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

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