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Meiosis Answers

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An example of mitosis at work is a leaf

A
turning yellow.
B
growing.
C
taking in carbon dioxide.
D
performing photosynthesis.
4

Which best describes the importance of mitosis to living organisms?

A
genetic variation and growth
B
growth and development
C
development and sexual reproduction
D
sexual reproduction and genetic variation
5

An example of mitosis at work is a plant root

A
elongating.
B
absorbing.
C
pointing down.
D
breaking.
6

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.
8

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
9

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.
10

Which are replicated during interphase?

A
sister chromatids
B
chromosomes
C
centromeres
D
nuclei

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