Lesson 1: Mitosis Answers

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What are the four phases of mitosis?

A
prophase
B
metaphase
C
anaphase
D
telophase
E
cytokinesis
3

What is the end result of mitosis?

A
one cell with two identical copies of DNA
B
two cells with different copies of DNA
C
one cell with two different copies of DNA
6

Why is mitosis important to organisms? Check all that apply.

A
reproduction of the organism
B
growth of the organism
C
repair of damaged or dead cells
D
reproduction of new cells
7

Describe the benefits to using tissue cultures to study medications used for treating cancer cells.

Answer:

Tissue cultures allow cancer medications to be tested on growing cancer cells outside the patient. Scientists can compare multiple treatments and identify those that slow or stop cancer growth, reducing the need to give untested medications to patients and making the process safer.

9

What is the end result of mitosis?

A
one cell with two identical copies of DNA
B
two cells with different copies of DNA
C
one cell with two different copies of DNA
12

What would happen to an organism if mitosis did not occur? Check all that apply.

A
The organism would not be affected.
B
The organism would not grow.
C
If an organism were cut or burned, the damaged area would not heal.
D
The organism would not produce new cells.
13

What are the four phases of mitosis?

A
prophase
B
metaphase
C
anaphase
D
telophase
E
cytokinesis

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