Question 1

"Crossing over" is partially responsible for our genetic diversity.

Accepted Answer

A) True 
 B)False

Question 2

In cell division, toward the end of nuclear division, the cytoplasm divides by a process called ______________ to produce two identical cells.

Accepted Answer

The answer of In cell division, toward the end of...

Question 3

Which of the following biomolecules is directly important for membrane structure and function?

Accepted Answer

A)   Polysaccharides
B)   Steroids
C)   DNA
D)   Phospholipids
E)   ATPF) B) and D)
G) D) and E)

Question 4

The process of meiosis results in ____.

Accepted Answer

A)   the production of four identical cells
B)   no change in chromosome number from parental cells
C)   a doubling of the chromosome number
D)   a reduction in chromosome number
E)   two diploid cellsF) A) and C)
G) A) and E)

Question 5

Mitotic divisions reduce the number of chromosomes found in daughter cells.

Accepted Answer

A) True 
 B)False

Question 6

The underlying problem with Gaucher diseases is ___.

Accepted Answer

A)   the spontaneous breakdown of red blood cells
B)   the accumulation of fat in white blood cells
C)   the breakdown of the myelin sheath around nerves
D)   a hypertrophied spleen
E)   the lack of critical liver enzymesF) B) and E)
G) B) and C)

Question 7

Autosomes represent ____.

Accepted Answer

A)   all chromosomes including the sex chromosomes
B)   the half of the chromosomes inherited from one parent
C)   all chromosomes other than the sex chromosomes
D)   chromosome pairs with unlike members
E)   those chromosomes found only in gametesF) B) and E)
G) A) and B)

Question 8

The Hayflick limit describes ____.

Accepted Answer

A)   the size limit to which a cell can grow
B)   the number of divisions a cultured cell can undergo
C)   the largest number of chromosomes an organism can possess
D)   the most cells an organism can have
E)   how rapidly DNA replication occursF) A) and B)
G) A) and C)

Question 9

Since only a relatively small number of genes is active in most specialized cells of the body, why must mitosis involve the replication of a complete set of genes?

Accepted Answer

Mitosis is the process by which a cell d...

Question 10

Would an understanding of the mechanism of the Hayflick limit lead to an increase in the human life span?

Accepted Answer

The Hayflick limit refers to the phenome...

Question 11

Describe the cell cycle. Do all cells go through this cycle at the same time?

Accepted Answer

The cell cycle is a series of events tha...

Question 12

Which of the following organelles is NOT involved with protein synthesis?

Accepted Answer

A)   The rough endoplasmic reticulum
B)   The Golgi complex
C)   The nucleus
D)   The lysosomes
E)   All of these organelles are involved in protein synthesisF) D) and E)
G) C) and D)

Question 13

During meiosis in an organism where 2n = 8, how many chromatids will be present in a cell at the beginning of meiosis II?

Accepted Answer

A)   2
B)   4
C)   6
D)   8
E)   12F) A) and D)
G) A) and E)

Question 14

In spermatogenesis, what cells form in meiosis II?

Accepted Answer

A)   Primary spermatocytes
B)   Secondary spermatocytes
C)   Spermatids
D)   Mature sperm
E)   More than one of theseF) A) and C)
G) B) and D)

Question 15

Based on the events of oogenesis, what would be an obvious and simple method for determining the sex of an Olympic athlete? Explain.

Accepted Answer

The obvious and simple method for determ...

Question 16

How many different types of chromosomes do humans possess?

Accepted Answer

A)   22
B)   23
C)   24
D)   42
E)   46F) D) and E)
G) C) and D)

Question 17

One primary spermatocyte produces ____________________ (how many?) functional sperm(s); one primary oocyte produces ____________________ functional egg(s).

Accepted Answer

The answer of One primary spermatocyte produces ____________________ (how many?)...

Question 18

Which of the following genetic diseases involve defects in DNA repair, which affects cell division?

Accepted Answer

A)   Gaucher disease and Werner syndrome
B)   Kearns-Sayre syndrome and progeria
C)   Progeria and Werner syndrome
D)   Gaucher disease and cystic fibrosis
E)   Progeria and Werner syndrome.F) B) and E)
G) A) and B)

Question 19

A cell that could not form spindle fibers could not perform ____.

Accepted Answer

A)   energy production
B)   gas exchange across the plasma membrane
C)   meiosis
D)   DNA replication
E)   protein synthesisF) None of the above
G) A) and C)

Question 20

From an evolutionary standpoint, does it seem logical that mitosis evolved before meiosis, and that meiosis is really a specialized form of mitosis? Or should mitosis be regarded as a degenerate form of meiosis?

Accepted Answer

From an evolutionary standpoint, it does...

Exam 2: Cells and Cell Division

Mitotic divisions reduce the number of chromosomes found in daughter cells.

Correct AnswerverifiedShow Answer

Which of the following organelles is NOT involved with protein synthesis?

Correct AnswerverifiedShow Answer

Would an understanding of the mechanism of the Hayflick limit lead to an increase in the human life span?

Correct AnswerAnswered by ExamLex AIThe Hayflick limit refers to the phenome...View AnswerShow Answer

Which of the following genetic diseases involve defects in DNA repair, which affects cell division?

Correct AnswerverifiedShow Answer

A cell that could not form spindle fibers could not perform ____.

Correct AnswerverifiedShow Answer

The Hayflick limit describes ____.

Correct AnswerverifiedShow Answer

From an evolutionary standpoint, does it seem logical that mitosis evolved before meiosis, and that meiosis is really a specialized form of mitosis? Or should mitosis be regarded as a degenerate form of meiosis?

Correct AnswerAnswered by ExamLex AIFrom an evolutionary standpoint, it does...View AnswerShow Answer

One primary spermatocyte produces ____________________ (how many?) functional sperm(s); one primary oocyte produces ____________________ functional egg(s).

Correct AnswerverifiedShow Answer

Based on the events of oogenesis, what would be an obvious and simple method for determining the sex of an Olympic athlete? Explain.

Correct AnswerAnswered by ExamLex AIThe obvious and simple method for determ...View AnswerShow Answer

"Crossing over" is partially responsible for our genetic diversity.

Correct AnswerverifiedShow Answer

In cell division, toward the end of nuclear division, the cytoplasm divides by a process called ______________ to produce two identical cells.

Correct AnswerverifiedShow Answer

In spermatogenesis, what cells form in meiosis II?

Correct AnswerverifiedShow Answer

During meiosis in an organism where 2n = 8, how many chromatids will be present in a cell at the beginning of meiosis II?

Correct AnswerverifiedShow Answer

Describe the cell cycle. Do all cells go through this cycle at the same time?

Correct AnswerAnswered by ExamLex AIThe cell cycle is a series of events tha...View AnswerShow Answer

The underlying problem with Gaucher diseases is ___.

Correct AnswerverifiedShow Answer

The process of meiosis results in ____.

Correct AnswerverifiedShow Answer

Which of the following biomolecules is directly important for membrane structure and function?

Correct AnswerverifiedShow Answer

How many different types of chromosomes do humans possess?

Correct AnswerverifiedShow Answer

Autosomes represent ____.

Correct AnswerverifiedShow Answer

Since only a relatively small number of genes is active in most specialized cells of the body, why must mitosis involve the replication of a complete set of genes?

Correct AnswerAnswered by ExamLex AIMitosis is the process by which a cell d...View AnswerShow Answer

Correct Answer
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The Hayflick limit refers to the phenome...
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Correct Answer
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Correct Answer
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Correct Answer
Answered by ExamLex AI
From an evolutionary standpoint, it does...
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One primary spermatocyte produces (how many?) functional sperm(s); one primary oocyte produces functional egg(s).

Correct Answer
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Correct Answer
Answered by ExamLex AI
The obvious and simple method for determ...
View Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
Answered by ExamLex AI
The cell cycle is a series of events tha...
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Correct Answer
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Correct Answer
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Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
Answered by ExamLex AI
Mitosis is the process by which a cell d...
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