Question 1

When a phagocytic white blood cell ingests a foreign bacterial cell, which organelle fuses with the vesicle?

Accepted Answer

A)  Golgi apparatus 
B)  lysosome 
C)  rough endoplasmic reticulum 
D)  mitochondria 
E)  peroxisome 
A)  Golgi apparatus 
B)  lysosome 
C)  rough endoplasmic reticulum 
D)  mitochondria 
E)  peroxisome

Question 2

Differentiate phagocytosis from receptor-mediated endocytosis.

Accepted Answer

In phagocytosis, the cell extends pseudo

Question 3

Which phase involves the physical division of the cytoplasm between the two newly formed cells that result from mitosis.

Accepted Answer

The answer of Which phase involves the physical division of...

Question 4

The elements of the cytoskeleton that are stiff but bendable, analogous to the bones of the human body, are the

Accepted Answer

A)  microtubules. 
B)  microfilaments. 
C)  intermediate filaments. 
D)  the cytosol. 
A)  microtubules. 
B)  microfilaments. 
C)  intermediate filaments. 
D)  the cytosol.

Question 5

Describe the two checkpoints that occur during interphase.

Accepted Answer

The G_{1 checkpoint} ensures that the cell has reached

Question 6

During the S phase, cells are characterized by rapid growth.

Accepted Answer

A) True 
 B)False

Question 7

Embedded in the plasma membrane of cells, cholesterol molecules act to

Accepted Answer

A)  stabilize the membrane. 
B)  make the membrane more resistant to freezing. 
C)  destabilize the membrane, leading to heart attacks. 
D)  participate in pinocytosis. 
E)  allow water to easily pass through the plasma membrane. 
A)  stabilize the membrane. 
B)  make the membrane more resistant to freezing. 
C)  destabilize the membrane, leading to heart attacks. 
D)  participate in pinocytosis. 
E)  allow water to easily pass through the plasma membrane.

Question 8

During the G1 phase, DNA is replicated in the cytoplasm.

Accepted Answer

A) True 
 B)False

Question 9

Use the diagram above to answer the following questions.
-Which letter indicates the rough endoplasmic reticulum?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 10

Peroxisomes

Accepted Answer

A)  are the toxic waste removal system of the cell. 
B)  are involved in the production of ATP. 
C)  contain some of the code necessary for their own duplication. 
D)  synthesize proteins for use outside the cell. 
E)  provide support to the cell skeleton. 
A)  are the toxic waste removal system of the cell. 
B)  are involved in the production of ATP. 
C)  contain some of the code necessary for their own duplication. 
D)  synthesize proteins for use outside the cell. 
E)  provide support to the cell skeleton.

Question 11

During what phase of mitosis does the mitotic spindle break down and disappear?

Accepted Answer

A)  metaphase 
B)  anaphase 
C)  telophase 
D)  late prophase 
A)  metaphase 
B)  anaphase 
C)  telophase 
D)  late prophase

Question 12

Phospholipids of the plasma membrane are arranged

Accepted Answer

A)  around a central layer of cholesterol. 
B)  in a single layer with polar heads facing outwards. 
C)  as a bilayer with their nonpolar tails sandwiched between the polar heads. 
D)  as a bilayer with their polar heads sandwiched between the nonpolar tails. 
E)  as a bilayer with the polar heads facing the nonpolar tails. 
A)  around a central layer of cholesterol. 
B)  in a single layer with polar heads facing outwards. 
C)  as a bilayer with their nonpolar tails sandwiched between the polar heads. 
D)  as a bilayer with their polar heads sandwiched between the nonpolar tails. 
E)  as a bilayer with the polar heads facing the nonpolar tails.

Question 13

Use the diagram above to answer the following questions.
-Which letter indicates the Golgi apparatus?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 14

Chromatin is composed of DNA wound around proteins known as actin.

Accepted Answer

A) True 
 B)False

Question 15

Which of the following statements accurately describes the function of the nuclear envelope?

Accepted Answer

A)  separation of nucleoplasm and cytoplasm 
B)  regulation of passage of substances into and out of the cell membrane 
C)  transcription of DNA 
D)  protein synthesis 
E)  waste removal from the nucleus 
A)  separation of nucleoplasm and cytoplasm 
B)  regulation of passage of substances into and out of the cell membrane 
C)  transcription of DNA 
D)  protein synthesis 
E)  waste removal from the nucleus

Question 16

Which of the following is associated with protein synthesis?

Accepted Answer

A)  mitochondria 
B)  ribosomes 
C)  chloroplasts 
D)  smooth endoplasmic reticulum 
E)  Golgi apparatus 
A)  mitochondria 
B)  ribosomes 
C)  chloroplasts 
D)  smooth endoplasmic reticulum 
E)  Golgi apparatus

Question 17

Which organelle has both a cis and a trans face?

Accepted Answer

A)  Golgi apparatus 
B)  lysosome 
C)  rough endoplasmic reticulum 
D)  mitochondria 
E)  peroxisome 
A)  Golgi apparatus 
B)  lysosome 
C)  rough endoplasmic reticulum 
D)  mitochondria 
E)  peroxisome

Question 18

The phospholipid molecules of the plasma membrane are primarily composed of ________.

Accepted Answer

a non-polar tail com

Question 19

Which is not part of interphase?

Accepted Answer

A)  G1 
B)  G2 
C)  M 
D)  S 
A)  G1 
B)  G2 
C)  M 
D)  S

Question 20

Use the diagram above to answer the following questions.
-Which letter indicates the nucleolus?

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Exam 2: Cells: the Living Units

When a phagocytic white blood cell ingests a foreign bacterial cell, which organelle fuses with the vesicle?

Differentiate phagocytosis from receptor-mediated endocytosis.

Which phase involves the physical division of the cytoplasm between the two newly formed cells that result from mitosis.

The elements of the cytoskeleton that are stiff but bendable, analogous to the bones of the human body, are the

Describe the two checkpoints that occur during interphase.

During the S phase, cells are characterized by rapid growth.

Embedded in the plasma membrane of cells, cholesterol molecules act to

During the G1 phase, DNA is replicated in the cytoplasm.

Use the diagram above to answer the following questions. -Which letter indicates the rough endoplasmic reticulum?

Peroxisomes

During what phase of mitosis does the mitotic spindle break down and disappear?

Phospholipids of the plasma membrane are arranged

Use the diagram above to answer the following questions. -Which letter indicates the Golgi apparatus?

Chromatin is composed of DNA wound around proteins known as actin.

Which of the following statements accurately describes the function of the nuclear envelope?

Which of the following is associated with protein synthesis?

Which organelle has both a cis and a trans face?

The phospholipid molecules of the plasma membrane are primarily composed of ________.

Which is not part of interphase?

Use the diagram above to answer the following questions. -Which letter indicates the nucleolus?

The Human Body: an Orientation

Basic Embryology

Tissues

The Integumentary System

Bones and Skeletal Tissues

Bones, Part 1: the Axial Skeleton

Bones, Part 2: the Appendicular Skeleton

Joints

Skeletal Muscle Tissue

Muscles of the Body

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System

The Autonomic Nervous System and Visceral Sensory Neurons

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels

The Lymphatic and Immune Systems

The Respiratory System

The Digestive System

The Urinary System

The Reproductive System

Filters

During the G₁ phase, DNA is replicated in the cytoplasm.