AnswersFL-2000310-Biology 1 Sem 1 - FlexLab: Diffusion Across a Semi-permeable Membrane

Mitosis Answers

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1
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Which statement accurately describes the relationship between cytokinesis and mitosis?

A
Mitosis includes interphase and cytokinesis.
B
Cytokinesis precedes mitosis in the cell cycle.
C
Cytokinesis is not a phase of mitosis, but occurs during mitosis.
D
Interphase includes cytokinesis and mitosis.
2
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An example of mitosis at work is a plant root

A
elongating.
B
absorbing.
C
pointing down.
D
breaking.
3

In which of these stages is mitosis most important?

A
A tiger cub is born.
B
A tiger cub learns to walk.
C
A tiger cub begins to grow.
D
A tiger cub play-fights.
5

Which statement best describes cancer cells?

A
They grow as a single layer of cells.
B
They cease to reproduce after 20–50 mitotic divisions.
C
They reproduce only when needed to replace missing cells.
D
They are not regulated by contact inhibition.
6

Which is the end result of cytokinesis from a cell undergoing mitosis?

A
one cell that has two identical copies of DNA
B
one cell that has two different copies of DNA
C
two cells that have two identical copies of DNA
D
two cells that have two different copies of DNA
7

An example of mitosis at work is a leaf

A
turning yellow.
B
growing.
C
taking in carbon dioxide.
D
performing photosynthesis.
8

Which of the steps in this sequence of events is an example of mitosis at work?

A
A baseball hits the arm of a baseball player.
B
The player reacts quickly grabbing his arm.
C
A bruise forms where the ball hit the arm.
D
The bruise slowly disappears as the arm heals.

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