Question 1

Smooth endoplasmic reticulum has ribosomes and rough endoplasmic reticulum does not.

Accepted Answer

A) True 
 B)False

Question 2

During anaphase of mitosis, centromeres separate and replicated chromosomes separate.

Accepted Answer

A) True 
 B)False

Question 3

The Golgi apparatus and endoplasmic reticulum take part in secretion.

Accepted Answer

A) True 
 B)False

Question 4

Proteins are manufactured on mitochondria.

Accepted Answer

A) True 
 B)False

Question 5

About how many cells constitute the body of an adult?

Accepted Answer

A)  50 to 100 million 
B)  50 to 100 billion 
C)  50 to 100 trillion 
D)  50 to 100 quadrillion 
A)  50 to 100 million 
B)  50 to 100 billion 
C)  50 to 100 trillion 
D)  50 to 100 quadrillion

Question 6

The cell membrane

Accepted Answer

A)  maintains the integrity of the cell. 
B)  controls the entry and exit of various substances. 
C)  provides a barrier to water-soluble substances. 
D)  has all of the above characteristics. 
A)  maintains the integrity of the cell. 
B)  controls the entry and exit of various substances. 
C)  provides a barrier to water-soluble substances. 
D)  has all of the above characteristics.

Question 7

If a nerve cell has a greater concentration of Na+ on the outside and K+ on the inside of the cell membrane, then the movement of Na+ outside and K+ inside is by diffusion.

Accepted Answer

A) True 
 B)False

Question 8

The function of the nucleus is to

Accepted Answer

A)  direct the activities of the cell. 
B)  form mitochondria. 
C)  transfer energy. 
D)  provide cell shape. 
A)  direct the activities of the cell. 
B)  form mitochondria. 
C)  transfer energy. 
D)  provide cell shape.

Question 9

During metaphase of mitosis, chromosomes first condense and become visible when stained and viewed under a microscope.

Accepted Answer

A) True 
 B)False

Question 10

Certain white blood cells take in bacterial cells by phagocytosis.

Accepted Answer

A) True 
 B)False

Question 11

If the concentration of glucose in the water outside of a cell is higher than the concentration inside,

Accepted Answer

A)  water will enter the cell by osmosis. 
B)  water will leave the cell by osmosis. 
C)  glucose will enter the cell by osmosis. 
D)  glucose will leave the cell by osmosis. 
A)  water will enter the cell by osmosis. 
B)  water will leave the cell by osmosis. 
C)  glucose will enter the cell by osmosis. 
D)  glucose will leave the cell by osmosis.

Question 12

Microfilaments and microtubules are part of the cytoskeleton.

Accepted Answer

A) True 
 B)False

Question 13

Facilitated diffusion moves a substance following its concentration gradient, with the aid of a carrier protein.

Accepted Answer

A) True 
 B)False

Question 14

Stages of the cell cycle in correct sequence are interphase, mitosis, cytoplasmic division, and differentiation.

Accepted Answer

A) True 
 B)False

Question 15

Chromatin consists of DNA and protein.

Accepted Answer

A) True 
 B)False

Question 16

Endoplasmic reticulum is best described as a

Accepted Answer

A)  component of the cytoskeleton. 
B)  cellular inclusion. 
C)  nuclear pore. 
D)  network of interconnected membranes. 
A)  component of the cytoskeleton. 
B)  cellular inclusion. 
C)  nuclear pore. 
D)  network of interconnected membranes.

Question 17

During apoptosis

Accepted Answer

A)  chromosomes join. 
B)  the cytoskeleton forms large, complex structures. 
C)  mitochondria merge. 
D)  the cell can no longer adhere to other cells. 
A)  chromosomes join. 
B)  the cytoskeleton forms large, complex structures. 
C)  mitochondria merge. 
D)  the cell can no longer adhere to other cells.

Question 18

Active transport uses energy provided by ATP molecules.

Accepted Answer

A) True 
 B)False

Question 19

Lucky people who cannot be infected with HIV are protected because

Accepted Answer

A)  they are already infected. 
B)  their cells lack receptors that admit the virus. 
C)  their cells have extra receptors for HIV. 
D)  they were vaccinated. 
A)  they are already infected. 
B)  their cells lack receptors that admit the virus. 
C)  their cells have extra receptors for HIV. 
D)  they were vaccinated.

Question 20

Vesicles are formed from

Accepted Answer

A)  lysosomal membrane. 
B)  nuclear membrane. 
C)  cell membrane. 
D)  mitochondrial membrane. 
A)  lysosomal membrane. 
B)  nuclear membrane. 
C)  cell membrane. 
D)  mitochondrial membrane.

Exam 3: Cells

Smooth endoplasmic reticulum has ribosomes and rough endoplasmic reticulum does not.

During anaphase of mitosis, centromeres separate and replicated chromosomes separate.

The Golgi apparatus and endoplasmic reticulum take part in secretion.

Proteins are manufactured on mitochondria.

About how many cells constitute the body of an adult?

The cell membrane

If a nerve cell has a greater concentration of Na+ on the outside and K+ on the inside of the cell membrane, then the movement of Na+ outside and K+ inside is by diffusion.

The function of the nucleus is to

During metaphase of mitosis, chromosomes first condense and become visible when stained and viewed under a microscope.

Certain white blood cells take in bacterial cells by phagocytosis.

If the concentration of glucose in the water outside of a cell is higher than the concentration inside,

Microfilaments and microtubules are part of the cytoskeleton.

Facilitated diffusion moves a substance following its concentration gradient, with the aid of a carrier protein.

Stages of the cell cycle in correct sequence are interphase, mitosis, cytoplasmic division, and differentiation.

Chromatin consists of DNA and protein.

Endoplasmic reticulum is best described as a

During apoptosis

Active transport uses energy provided by ATP molecules.

Lucky people who cannot be infected with HIV are protected because

Vesicles are formed from

Introduction to Human Anatomy and Physiology

Chemical Basis of Life

Cellular Metabolism

Tissues

Integumentary System

Skeletal System

Joints of the Skeletal System

Muscular System

Nervous System I: Basic Structure and Function

Nervous System II: Division of the Nervous System

Nervous System III: Senses

Endocrine System

Blood

Cardiovascular System

Lymphatic System and Immunity

Digestive System

Nutrition and Metabolism

Respiratory System

Urinary System

Water, Electrolyte, and Acid-Based Balance

Reproductive Systems

Pregnancy, Growth, and Development

Genetics and Genomics

Filters

If a nerve cell has a greater concentration of Na⁺ on the outside and K⁺ on the inside of the cell membrane, then the movement of Na⁺ outside and K⁺ inside is by diffusion.