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)  DNA must be tightly packaged into chromosomes before either process can begin. 
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)  DNA must be tightly packaged into chromosomes before either process can begin.

Question 2

A drug inhibits the formation of vesicles from the Golgi apparatus. How might this drug affect the cell cycle of a plant cell?

Accepted Answer

During cytokinesis in plants vesicles co

Question 3

Chromosomes are lined up at the middle of the cell during the _______ portion of cell division.

Accepted Answer

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

Question 4

A special feature of _______ cells is that they retain their ability to divide throughout the life of the organism in which they reside.

Accepted Answer

The answer of A special feature of _______ cells is...

Question 5

Which of the following statements about cell division is correct?

Accepted Answer

A)  It is the process by which organisms grow and maintain their tissues. 
B)  It is no longer necessary once 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. 
A)  It is the process by which organisms grow and maintain their tissues. 
B)  It is no longer necessary once 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 6

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

Accepted Answer

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

Question 7

Gametes are produced by meiosis rather than mitosis because

Accepted Answer

A)  mitosis would produce too many sister cells. 
B)  meiosis reduces the chromosome number so that zygotes produced will have one full genome. 
C)  meiosis doubles the chromosome number so that each gamete has twice the usual number of genes. 
D)  meiosis ensures that the gametes are identical to the cell that produced them. 
A)  mitosis would produce too many sister cells. 
B)  meiosis reduces the chromosome number so that zygotes produced will have one full genome. 
C)  meiosis doubles the chromosome number so that each gamete has twice the usual number of genes. 
D)  meiosis ensures that the gametes are identical to the cell that produced them.

Question 8

After a single cell undergoes meiosis, how many new cells will be produced?

Accepted Answer

A)  2 
B)  4 
C)  12 
D)  16 
A)  2 
B)  4 
C)  12 
D)  16

Question 9

Plants perform cytokinesis differently than animals because

Accepted Answer

A)  plant cytokinesis takes place during interphase but animal cytokinesis takes place in cell division. 
B)  plant chromosomes are more difficult to separate than animal chromosomes. 
C)  the rigid cell wall of the plant cell prevents the plasma membrane from pinching inward like it does in animal cells. 
D)  the centrosomes of plants do not replicate prior to cell division. 
A)  plant cytokinesis takes place during interphase but animal cytokinesis takes place in cell division. 
B)  plant chromosomes are more difficult to separate than animal chromosomes. 
C)  the rigid cell wall of the plant cell prevents the plasma membrane from pinching inward like it does in animal cells. 
D)  the centrosomes of plants do not replicate prior to cell division.

Question 10

The cell depicted below has a diploid number of 8 (2n = 8).  
Assuming cell division started with a diploid cell, in what stage of what type of cell division is the cell?

Accepted Answer

A)  anaphase of mitosis 
B)  anaphase I of meiosis 
C)  anaphase II of meiosis 
D)  Both A and C are possible. 
A)  anaphase of mitosis 
B)  anaphase I of meiosis 
C)  anaphase II of meiosis 
D)  Both A and C are possible.

Question 11

Microtubules attach to plaques of protein called ______________ on chromosomes.

Accepted Answer

The answer of Microtubules attach to plaques of protein called...

Question 12

The successful union of one male and one female gamete forms a new single cell known as a

Accepted Answer

A)  histone. 
B)  zygote. 
C)  vesicle. 
D)  T cell. 
A)  histone. 
B)  zygote. 
C)  vesicle. 
D)  T cell.

Question 13

Lily plants sometimes have twice as many chromosomes per cell as their parent plants had. Which of the following explains how this might have happened?

Accepted Answer

A)  The lily's sister chromatids failed to separate during meiosis. 
B)  The chromosome number of the lily went from 2n to 1n. 
C)  The lily gametes fused during mitosis. 
D)  The parent plant lost half of its chromosomes during mitosis. 
A)  The lily's sister chromatids failed to separate during meiosis. 
B)  The chromosome number of the lily went from 2n to 1n. 
C)  The lily gametes fused during mitosis. 
D)  The parent plant lost half of its chromosomes during mitosis.

Question 14

DNA ____________ is essential to cell division because it separates the two copies of DNA attached by the centromere.

Accepted Answer

The answer of DNA ____________ is essential to cell division...

Question 15

The microtubules that grow out from the centrosomes

Accepted Answer

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

Question 16

The spindle microtubules break down and new nuclear envelopes form during the _______ portion of mitosis.

Accepted Answer

The answer of The spindle microtubules break down and new...

Question 17

The goal of mitosis is to

Accepted Answer

A)  form two equal daughter nucleii. 
B)  form chromatin strands. 
C)  loop chromatin into chromosomes. 
D)  package chromosomes into chromatin. 
A)  form two equal daughter nucleii. 
B)  form chromatin strands. 
C)  loop chromatin into chromosomes. 
D)  package chromosomes into chromatin.

Exam 9: Cell Division

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

A drug inhibits the formation of vesicles from the Golgi apparatus. How might this drug affect the cell cycle of a plant cell?

Chromosomes are lined up at the middle of the cell during the _______ portion of cell division.

A special feature of _______ cells is that they retain their ability to divide throughout the life of the organism in which they reside.

Which of the following statements about cell division is correct?

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

Gametes are produced by meiosis rather than mitosis because

After a single cell undergoes meiosis, how many new cells will be produced?

Plants perform cytokinesis differently than animals because

The cell depicted below has a diploid number of 8 (2n = 8). Assuming cell division started with a diploid cell, in what stage of what type of cell division is the cell?

Microtubules attach to plaques of protein called ______________ on chromosomes.

The successful union of one male and one female gamete forms a new single cell known as a

Lily plants sometimes have twice as many chromosomes per cell as their parent plants had. Which of the following explains how this might have happened?

DNA ____________ is essential to cell division because it separates the two copies of DNA attached by the centromere.

The microtubules that grow out from the centrosomes

The spindle microtubules break down and new nuclear envelopes form during the _______ portion of mitosis.

The goal of mitosis is to

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