Mitosis Answers

0 verified answers2 views
1
Free Preview

In which phase of mitosis are chromosomes first seen as a result of chromatin coiling?

A
prophase
B
anaphase
C
metaphase
D
telophase
2
Free Preview

Early in mitosis, the nucleus, nucleolus, and nuclear envelope begin to dissolve in preparation for cell division. In which stage of the cell cycle is this process reversed?

A
cytokinesis
B
interphase
C
anaphase
D
telophase
3

Scientists use tissue cultures to study possible medicines that can be used to treat cancer patients. What is one benefit of this procedure?

A
Patients do not receive harmful or ineffective medication.
B
The cultured cells are not in their normal environment.
C
Doctors know how to treat all types of cancer.
D
One tissue culture can be used for all cancer patients.
4

During which phase of mitosis do the nuclear membrane, nucleolus, and nucleus dissolve?

A
metaphase
B
prophase
C
anaphase
D
telophase
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

Mitosis is divided into phases.Which phase of mitosis is shown in the diagram?

Question illustration
A
prophase
B
metaphase
C
anaphase
D
telophase
7

What would happen to skin cells if mitosis did not take place?

A
Skin cells would regrow from other types of cells.
B
Skin cells would be replaced at a slower rate.
C
Skin cells would be replaced with new cells.
D
Skin cells would die and not be replaced.
8

An example of mitosis at work is a leaf

A
turning yellow.
B
growing.
C
taking in carbon dioxide.
D
performing photosynthesis.
9

Which are replicated during interphase?

A
sister chromatids
B
chromosomes
C
centromeres
D
nuclei
10

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.
11

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
12

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.

Did you find these answers helpful?