Mitosis

Question 1

Label A

Revolt · Accepted Answer

C. Chromatin in the cell coils into chromosomes that can be seen.

Question 2

Label B

Revolt · Accepted Answer

B. The chromosomes that were doubled become attached to the spindle fiber by their centromeres.

Question 3

Label C

Revolt · Accepted Answer

A. Centromeres are split apart, and sister chromatids are pulled to opposite poles of the cell.

Question 4

Label D

Revolt · Accepted Answer

D. Sister chromatids are separated and contain identical copies of DNA.

Question 5

After duplication, at what point does a cell become two cells with identical DNA?

Revolt · Accepted Answer

end of cytokinesis

Question 6

Which examples demonstrate growth of an organism as a result of mitosis?

Revolt · Accepted Answer

a baby growing into a toddler; a seed becoming a plant

Question 7

Which examples show repair or replacement of damaged cells?

Revolt · Accepted Answer

a scrape being healed; scars forming where a cut once belonged

Question 8

What is typical of cell reproduction when normal cells are reproduced in a petri dish from a tissue culture? Check all that apply.

Revolt · Accepted Answer

Cells reproduce only when there is room in the petri dish.; Cells reproduce one layer thick and then stop reproducing.; When a cell dies or is damaged, a new one is created to fill the empty spot.

Question 9

What is the benefit to using tissue cultures with cancer patients?

Revolt · Accepted Answer

Medications can be tested on the cancer culture before being injected into the patient.

Question 10

What is typical of cell reproduction when cancer cells are reproduced in a petri dish from a tissue culture? Check all that apply.

Revolt · Accepted Answer

Cells reproduce without limit.; Cells reproduce with multiple layers.; Cell reproduction never stops.

Mitosis Answers

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