Question 1

The process of mitosis is thought to have evolved from binary fission.What similarities exist between these processes?

Accepted Answer

A)  The DNA being separated is attached to a membrane during both processes.
B)  Both processes involve the separation of more than one piece of DNA.
C)  Both processes include DNA segregation.
D)  Both process occur in bacterial cells.

Question 2

Which two processes work in conjunction to create genetic diversity and maintain chromosome number?

Accepted Answer

A)  mitosis and meiosis
B)  meiosis and independent assortment
C)  binary fission and mitosis
D)  fertilization and meiosis

Question 3

The goal of meiosis is to

Accepted Answer

A)  create genetically identical offspring.
B)  protect cells from getting cancer.
C)  produce eggs and sperm.
D)  regulate progression through the cell cycle.

Question 4

Some daughter cells are described as clones.For this description to be appropriate,the daughter cells must

Accepted Answer

A)  show the same differentiation characteristics as the parent cell.
B)  separate from one another and experience an independent existence.
C)  contain a set of DNA that is identical to that of the parent cell.
D)  have been produced by meiotic cell division.

Question 5

A duplicated chromosome consists of ________ sister chromatid(s) .

Accepted Answer

A)  1
B)  2
C)  4
D)  6

Question 6

Cancers are groups of cells that divide rapidly and uncontrollably.Thus,cancer cells

Accepted Answer

A)  are always in the G0 phase.
B)  never enter the cell cycle.
C)  have a relatively short G1 phase.
D)  are stuck at the metaphase plate.

Question 7

Which of the following is known to result from the disruption of mitosis and meiosis?

Accepted Answer

A)  Alzheimer's disease
B)  prostate cancer
C)  autism
D)  heart disease

Question 8

A researcher is recording the process of bacteria cell division using time-lapse microscopy.Which of the following processes would she be observing?

Accepted Answer

A)  meiosis
B)  mitosis
C)  binary fission
D)  She may be observing either A or B depending on the growth conditions.

Question 9

Which of the following is associated with mitosis?

Accepted Answer

A)  independent assortment
B)  maintenance of chromosome number
C)  crossing over
D)  reductional division

Question 10

Model organisms (like mice) used in the study of genetic disease

Accepted Answer

A)  are selected strictly for ethical reasons.
B)  cannot be trusted since they are very different from human cells.
C)  should either be mice or bacteria.
D)  may accurately reflect how diseases like cancer occur in humans.

Question 11

An actively dividing cell has six chromosomes.How many sister chromatids are present within this cell at the end of G₂ phase?

Accepted Answer

A)  0
B)  3
C)  6
D)  12

Question 12

The goal of ________ is to increase genetic diversity by creating a new diploid individual from haploid cells.

Accepted Answer

The answer of The goal of ________ is to increase...

Question 13

When examining the rapidly dividing cells of a fish embryo,you notice a cell that seems to contain two nuclei.The middle of the cell is pinched inward.This cell must be in ________ of mitosis.

Accepted Answer

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

Question 14

All of the following contribute to genetic uniqueness EXCEPT

Accepted Answer

A)  binary fission.
B)  independent assortment.
C)  crossing over.
D)  random fertilization.

Question 15

Which of the following differentiates meiosis from mitosis?

Accepted Answer

A)  Mitosis is used for the repair of cells,whereas meiosis creates cells for sexual reproduction.
B)  In mitosis four identical daughter cells are produced,whereas two genetically different cells are produced in meiosis.
C)  Meiosis is a form of asexual division,whereas mitosis is a form of sexual division.
D)  Mitosis occurs in prokaryotic cells,whereas meiosis occurs in eukaryotic cells.

Question 16

Chromosomes decondense and nuclear envelopes form during the ________ portion of mitosis.

Accepted Answer

The answer of Chromosomes decondense and nuclear envelopes form during...

Question 17

A scientist wishing to generate cancerous cells in vitro could subject the cells to which of the following procedures?

Accepted Answer

A)  immerse the cells in water for extended periods of time
B)  starve the cells of nutrients
C)  expose cells to chemicals that disrupt mitosis
D)  overfeed the cells by frequently feeding them

Question 18

Cells spend the bulk of their time in the ________ phase of the cell cycle.

Accepted Answer

The answer of Cells spend the bulk of their time...

Question 19

If a plant has a total of 18 chromosomes,how many chromosomes would be present in each of its gametes?

Accepted Answer

A)  36
B)  18
C)  9
D)  6

Question 20

Which of the following is a difference between binary fission and mitosis?

Accepted Answer

A)  replication of the genetic material
B)  breakdown of the nuclear envelope
C)  cell growth and expansion
D)  increase in cytoplasmic factors

Exam 5: Cell Division

Which of the following is associated with mitosis?

Correct AnswerverifiedShow Answer

Some daughter cells are described as clones.For this description to be appropriate,the daughter cells must

Correct AnswerverifiedShow Answer

Cancers are groups of cells that divide rapidly and uncontrollably.Thus,cancer cells

Correct AnswerverifiedShow Answer

A researcher is recording the process of bacteria cell division using time-lapse microscopy.Which of the following processes would she be observing?

Correct AnswerverifiedShow Answer

A duplicated chromosome consists of ________ sister chromatid(s) .

Correct AnswerverifiedShow Answer

Which of the following is known to result from the disruption of mitosis and meiosis?

Correct AnswerverifiedShow Answer

Chromosomes decondense and nuclear envelopes form during the ________ portion of mitosis.

Correct AnswerverifiedShow Answer

Which two processes work in conjunction to create genetic diversity and maintain chromosome number?

Correct AnswerverifiedShow Answer

An actively dividing cell has six chromosomes.How many sister chromatids are present within this cell at the end of G₂ phase?

Correct AnswerverifiedShow Answer

Cells spend the bulk of their time in the ________ phase of the cell cycle.

Correct AnswerverifiedShow Answer

Which of the following differentiates meiosis from mitosis?

Correct AnswerverifiedShow Answer

The goal of ________ is to increase genetic diversity by creating a new diploid individual from haploid cells.

Correct AnswerverifiedShow Answer

All of the following contribute to genetic uniqueness EXCEPT

Correct AnswerverifiedShow Answer

A scientist wishing to generate cancerous cells in vitro could subject the cells to which of the following procedures?

Correct AnswerverifiedShow Answer

The goal of meiosis is to

Correct AnswerverifiedShow Answer

Which of the following is a difference between binary fission and mitosis?

Correct AnswerverifiedShow Answer

Model organisms (like mice) used in the study of genetic disease

Correct AnswerverifiedShow Answer

The process of mitosis is thought to have evolved from binary fission.What similarities exist between these processes?

Correct AnswerverifiedShow Answer

If a plant has a total of 18 chromosomes,how many chromosomes would be present in each of its gametes?

Correct AnswerverifiedShow Answer

When examining the rapidly dividing cells of a fish embryo,you notice a cell that seems to contain two nuclei.The middle of the cell is pinched inward.This cell must be in ________ of mitosis.

Correct AnswerverifiedShow Answer

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