Question 1

Peroxisomes are important in detoxification of a number of toxic substances, for instance, hydrogen peroxide.

Accepted Answer

A) True 
 B)False

Question 2

Which membranous organelle is the site of protein synthesis for proteins that are secreted by the cell?

Accepted Answer

A)   Golgi apparatus
B)   lysosome
C)   rough endoplasmic reticulum
D)   mitochondria
E)   peroxisomeF) A) and B)
G) B) and E)

Question 3

The nuclear envelope is continuous with which organelle?

Accepted Answer

A)   Golgi apparatus
B)   lysosome
C)   rough endoplasmic reticulum
D)   mitochondria
E)   peroxisomeF) A) and E)
G) All of the above

Question 4

The endocytotic process in which small vesicles of fluid are brought into the cell is called

Accepted Answer

A)   phagocytosis.
B)   pinocytosis.
C)   exocytosis.
D)   xenocytosis.
E)   receptor-mediated endocytosisF) A) and B)
G) C) and D)

Question 5

Describe the three major types of cytoskeletal elements.

Accepted Answer

Microtubules are the largest in diameter...

Question 6

The cytoskeletal elements that form a ring to "squeeze" the two daughter cells apart during cytokinesis are

Accepted Answer

A)   microtubules.
B)   microfilaments.
C)   intermediate filaments.
D)   the microtrabecular lattice.E) A) and B)
F) A) and C)

Question 7

During anaphase, the chromosomes are moved to the center of the cell.

Accepted Answer

A) True 
 B)False

Question 8

In the cell life cycle, DNA is replicated during

Accepted Answer

A)   interphase G1.
B)   interphase S.
C)   prophase I.
D)   prophase II.
E)   interphase G2.F) A) and D)
G) All of the above

Question 9

Which of the following cytoskeleton elements are the largest in diameter?

Accepted Answer

A)   microtubules
B)   microfilaments
C)   intermediate filaments
D)   centrioles
E)   actinF) A) and B)
G) B) and D)

Question 10

Telomeres are structures that limit the maximum number of times cells can divide.

Accepted Answer

A) True 
 B)False

Question 11

Mitosis refers only to nuclear division. Separation of the entire cell following mitosis is ___.

Accepted Answer

A)   meiosis.
B)   karyokinesis.
C)   cytokinesis.
D)   telophase.
E)   anaphaseF) None of the above
G) B) and D)

Question 12

In chromatin, the DNA molecule wraps around proteins called

Accepted Answer

A)   nucleotides.
B)   codons.
C)   integral protein.
D)   histones.
E)   SNARE proteinsF) None of the above
G) A) and D)

Question 13

Which of the following is true regarding cytoplasmic inclusions?

Accepted Answer

A)   Lipid droplets are found in all cells in the body.
B)   Glycosomes store sugar in the form of glycogen.
C)   Crystals of protein contain enzymes that degrade glycogen into glucose subunits.
D)   Lysosomes are considered cytoplasmic inclusions.
E)   Pigments are cytoplasmic inclusions that store fat.F) A) and D)
G) A) and B)

Question 14

A mitotic spindle develops during early telophase of mitosis.

Accepted Answer

A) True 
 B)False

Question 15

What would extended chromatin wrapped around a group of eight histones be called?

Accepted Answer

The answer of What would extended chromatin wrapped around a...

Question 16

During mitosis, the kinetochore microtubules of the mitotic spindle

Accepted Answer

A)   attach to chromatids and align them at the metaphase plate.
B)   push on the chromatids.
C)   anchor the centriole to the cell membrane.
D)   push the two poles of the cell apart.E) A) and B)
F) None of the above

Question 17

Each cell performs all of the function necessary to sustain life. Those functions include all of the following except

Accepted Answer

A)   obtaining nutrients from the surrounding body fluids.
B)   dispose of wastes.
C)   replicate itself.
D)   use nutrients to make the molecules it needs.
E)   phagocytosing other cells.F) A) and C)
G) B) and D)

Question 18

The temporary structures in the cytoplasm include all of the following except

Accepted Answer

A)   pigments.
B)   glycosomes.
C)   lipid droplets.
D)   the Golgi apparatus.
E)   protein crystals.F) B) and E)
G) C) and D)

Question 19

Which type of endocytosis ingests the most specific type of molecule?

Accepted Answer

A)   fluid-phase endocytosis
B)   phagocytosis
C)   pinocytosis
D)   receptor-mediated endocytosis
E)   vesiclcytosisF) B) and D)
G) D) and E)

Question 20

Which organelle contains some DNA and is capable of self-replication?

Accepted Answer

A)   Golgi apparatus
B)   lysosome
C)   rough endoplasmic reticulum
D)   mitochondria
E)   peroxisomeF) C) and E)
G) A) and E)

Exam 2: Cells: the Living Units

During anaphase, the chromosomes are moved to the center of the cell.

Correct AnswerverifiedShow Answer

A mitotic spindle develops during early telophase of mitosis.

Correct AnswerverifiedShow Answer

Describe the three major types of cytoskeletal elements.

Correct AnswerverifiedMicrotubules are the largest in diameter...View AnswerShow Answer

Peroxisomes are important in detoxification of a number of toxic substances, for instance, hydrogen peroxide.

Correct AnswerverifiedShow Answer

Which membranous organelle is the site of protein synthesis for proteins that are secreted by the cell?

Correct AnswerverifiedShow Answer

During mitosis, the kinetochore microtubules of the mitotic spindle

Correct AnswerverifiedShow Answer

The endocytotic process in which small vesicles of fluid are brought into the cell is called

Correct AnswerverifiedShow Answer

In the cell life cycle, DNA is replicated during

Correct AnswerverifiedShow Answer

Which type of endocytosis ingests the most specific type of molecule?

Correct AnswerverifiedShow Answer

Which of the following is true regarding cytoplasmic inclusions?

Correct AnswerverifiedShow Answer

The temporary structures in the cytoplasm include all of the following except

Correct AnswerverifiedShow Answer

The nuclear envelope is continuous with which organelle?

Correct AnswerverifiedShow Answer

Which of the following cytoskeleton elements are the largest in diameter?

Correct AnswerverifiedShow Answer

Telomeres are structures that limit the maximum number of times cells can divide.

Correct AnswerverifiedShow Answer

In chromatin, the DNA molecule wraps around proteins called

Correct AnswerverifiedShow Answer

Which organelle contains some DNA and is capable of self-replication?

Correct AnswerverifiedShow Answer

The cytoskeletal elements that form a ring to "squeeze" the two daughter cells apart during cytokinesis are

Correct AnswerverifiedShow Answer

Mitosis refers only to nuclear division. Separation of the entire cell following mitosis is ___.

Correct AnswerverifiedShow Answer

What would extended chromatin wrapped around a group of eight histones be called?

Correct AnswerverifiedShow Answer

Each cell performs all of the function necessary to sustain life. Those functions include all of the following except

Correct AnswerverifiedShow Answer

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Microtubules are the largest in diameter...
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