Cell Growth & Division Review (Exam Review #1-33)

Question 1

What are 2 reasons that cells divide and limit cell growth?

Answer 1

1. The larger the cell, the more demand placed on the DNA.

2. Larger cells have more trouble moving nutrients and wastes across the cell wall.

Question 2

What is the process by which a cell divides into two new daughter cells called?

Answer 2

Cell Division (Not Mitosis)

Question 3

What is the first stage of cell division?

Answer 3

Mitosis

Question 4

What is the division of the nucleus called?

Answer 4

Mitosis

Question 5

What is the second stage of cell division?

Answer 5

Cytokinesis

Question 6

What is the division of the cytoplasm called?

Answer 6

Cytokinesis

Question 7

Name the 4 phases of mitosis in order.

Answer 7

Prophase, Metaphase, Anaphase, Telophase

Question 8

How many daughter cells are produced in the cell cycle?

Answer 8

2

Question 9

Name the stage of mitosis in which the chromosomes become visible for the first time.

Answer 9

Prophase

Question 10

Name the stage of mitosis in which chromosomes are seen lined up along the equator of the cell.

Answer 10

Metaphase

Question 11

What are the microtubules that form between the centrioles during cell division?

Answer 11

Spindle fibers

Question 12

What is the portion of the cell cycle between cell divisions called?

Answer 12

Interphase

Question 13

In what part of the cell are the chromosomes located?

Answer 13

Nucleus

Question 14

What organelle is only found in animal cells and plays an important role in cell division?

Answer 14

Centriole

Question 15

What is the structure that joins chromatids together?

Answer 15

Centromere

Question 16

In which stage of mitosis does the nucleus begin to disappear?

Answer 16

Prophase

Question 17

In which stage of cell division are the chromosomes too thin to be seen under the microscope?

Answer 17

Interphase

Question 18

In which stage of cell division does DNA replication occur?

Answer 18

Interphase (S phase)

Question 19

In which phase of mitosis are the daughter cells formed?

Answer 19

Telophase

Question 20

In which phase of mitosis may the chromosomes be seen moving to the poles?

Answer 20

Anaphase

Question 21

Where is the DNA located during interphase?

Answer 21

Nucleus

Question 22

What is cancer?

Answer 22

Abnormal cell growth/division

Question 23

Is a malignant tumor ok or bad?

Answer 23

Bad

Question 24

Is a benign tumor ok or bad?

Answer 24

Ok

Question 25

In which stage of mitosis does the cell plate form?

Answer 25

Telophase

Question 26

In what type of cells do cell plates form?

Answer 26

Plants and certain other cells with cell walls

Question 27

In which phase of cell division does a cell spend most of its life?

Answer 27

Interphase

Question 28

What is chromatin?

Answer 28

Very thin genetic material

Question 29

Where is chromatin found?

Answer 29

Nucleus

Question 30

Describe the cell produced as a result of mitosis.

Answer 30

Identical to the original

Question 31

What structure regulates the size of the cell?

Answer 31

Cell membrane

Question 32

What happens during replication?

Answer 32

Chromosomes are copied.

Question 33

In which stage of mitosis do the chromatid pairs separate?

Answer 33

Anaphase

Question 34

What structures compose the centrosome?

Answer 34

Centrioles

Question 35

Why is mitosis important to an organism?

Answer 35

It needs new cells constantly to grow and replace old ones.

Question 36

What organelle is found at the poles of the cell?

Answer 36

Centriole