Question 1

Which of the following foods is most likely to contain a haploid cell or cells?

Accepted Answer

A)   a sirloin steak
B)   an apple
C)   one or more chicken eggs
D)   a stalk of celery

Question 2

Which of the following statements about cell division is true?

Accepted Answer

A)   It is the process by which organisms grow and maintain their tissues.
B)   It is no longer necessary after an organism reaches maturity.
C)   It occurs in two sequential stages in all cells: mitosis and meiosis.
D)   It is the process by which fertilization occurs.

Question 3

During prophase,the opposite ends,or spindle poles,of a cell that is beginning mitosis are determined by the separation of the ________.

Accepted Answer

The answer of During prophase,the opposite ends,or spindle poles,of a...

Question 4

Which of the following things could NOT be determined from looking at a karyotype?

Accepted Answer

A)   the gender of the individual who provided the sample
B)   whether the source of the sample was a nonhuman species
C)   whether the source of the sample was a somatic cell or a gamete
D)   the height and eye color of the individual who provided the sample

Question 5

Which of the following statements about the microtubules that grow out from the centrosomes is true?

Accepted Answer

A)   They pull the nuclear envelope apart.
B)   They pull the centrosomes together.
C)   They eventually become kinetochores.
D)   They eventually attach to centromeres.

Question 6

Cytokinesis and mitosis are the same processes.

Accepted Answer

A) True 
 B)False

Question 7

Cancers are groups of cells that divide uncontrollably because they

Accepted Answer

A)   are always in the G0 phase.
B)   never enter the cell cycle.
C)   are unable to respond to the negative internal or external signals that keep the cell from dividing.
D)   are stuck at the metaphase plate.

Question 8

In human females,when is meiosis II finished?

Accepted Answer

A)   just before birth
B)   just after birth
C)   at ovulation
D)   after fertilization by a sperm cell

Question 9

When appropriately prompted,diploid individuals of Ulva prolifera form spores that germinate to become haploid individuals.What is the most likely mechanism by which diploid individuals could be created to complete the life cycle?

Accepted Answer

A)   Haploid individuals meiotically produce egg cells and sperm cells, which subsequently fuse.
B)   Some haploid individuals undergo multiple rounds of mitosis without cytokinesis, followed by nuclear fusion.
C)   Some of these individuals differentiate to become haploid gametes and then fuse to produce a diploid zygote.
D)   Haploid individuals undergo two sequential S phases in their cell cycle to reestablish the diploid state.

Question 10

A process essential to cell division because it separates the two copies of DNA that are attached by the centromere is called DNA ________.

Accepted Answer

The answer of A process essential to cell division because...

Question 11

Sister chromatids are held together at a constriction point called a ________.

Accepted Answer

The answer of Sister chromatids are held together at a...

Question 12

Cytokinesis occurs during interphase.

Accepted Answer

A) True 
 B)False

Question 13

Chromosomes become visible during the mitotic stage called ________.

Accepted Answer

The answer of Chromosomes become visible during the mitotic stage...

Question 14

The completion of the physical division of the parent cell cytoplasm that usually occurs during the last stage of mitosis is known as

Accepted Answer

A)   centrosome formation.
B)   G0.
C)   cytokinesis.
D)   meiosis.

Question 15

A single cell grows into a multicellular organism by the process of

Accepted Answer

A)   mitosis.
B)   meiosis.
C)   fertilization.
D)   duplication.

Question 16

New nuclei form during the anaphase stage of cell division.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following processes must occur before cell division begins?

Accepted Answer

A)   shrinkage of the nucleus
B)   DNA synthesis
C)   cytokinesis
D)   DNA segregation

Question 18

The attachment of microtubules to the centromeres of chromosomes sets the stage for the positioning of the chromosomes at the metaphase plate; the attachment of the microtubules occurs during the mitotic phase called ________.

Accepted Answer

The answer of The attachment of microtubules to the centromeres...

Question 19

You are examining the rapidly dividing cells of a fish embryo and notice a cell that seems to contain two nuclei with complete nuclear envelopes and decondensing chromosomes.The middle of the cell is pinched inward.This cell must be in

Accepted Answer

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

Question 20

Some daughter cells are called clones; for this description to be accurate,the daughter cells must

Accepted Answer

A)   show the same differentiation characteristics as the parent cell.
B)   separate from each other and exist independently.
C)   contain a set of DNA that is identical to that of the parent cell.
D)   have been produced by meiotic cell division.

Exam 7: Cell Division

Chromosomes become visible during the mitotic stage called ________.

Correct AnswerverifiedShow Answer

A single cell grows into a multicellular organism by the process of

Correct AnswerverifiedShow Answer

New nuclei form during the anaphase stage of cell division.

Correct AnswerverifiedShow Answer

In human females,when is meiosis II finished?

Correct AnswerverifiedShow Answer

A process essential to cell division because it separates the two copies of DNA that are attached by the centromere is called DNA ________.

Correct AnswerverifiedShow Answer

During prophase,the opposite ends,or spindle poles,of a cell that is beginning mitosis are determined by the separation of the ________.

Correct AnswerverifiedShow Answer

Cancers are groups of cells that divide uncontrollably because they

Correct AnswerverifiedShow Answer

Which of the following foods is most likely to contain a haploid cell or cells?

Correct AnswerverifiedShow Answer

You are examining the rapidly dividing cells of a fish embryo and notice a cell that seems to contain two nuclei with complete nuclear envelopes and decondensing chromosomes.The middle of the cell is pinched inward.This cell must be in

Correct AnswerverifiedShow Answer

The attachment of microtubules to the centromeres of chromosomes sets the stage for the positioning of the chromosomes at the metaphase plate; the attachment of the microtubules occurs during the mitotic phase called ________.

Correct AnswerverifiedShow Answer

Cytokinesis and mitosis are the same processes.

Correct AnswerverifiedShow Answer

Which of the following things could NOT be determined from looking at a karyotype?

Correct AnswerverifiedShow Answer

Cytokinesis occurs during interphase.

Correct AnswerverifiedShow Answer

Which of the following processes must occur before cell division begins?

Correct AnswerverifiedShow Answer

Some daughter cells are called clones; for this description to be accurate,the daughter cells must

Correct AnswerverifiedShow Answer

Sister chromatids are held together at a constriction point called a ________.

Correct AnswerverifiedShow Answer

Which of the following statements about cell division is true?

Correct AnswerverifiedShow Answer

The completion of the physical division of the parent cell cytoplasm that usually occurs during the last stage of mitosis is known as

Correct AnswerverifiedShow Answer

When appropriately prompted,diploid individuals of Ulva prolifera form spores that germinate to become haploid individuals.What is the most likely mechanism by which diploid individuals could be created to complete the life cycle?

Correct AnswerverifiedShow Answer

Which of the following statements about the microtubules that grow out from the centrosomes is true?

Correct AnswerverifiedShow Answer

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