The Cell Cycle

Question 1

Why do cells divide?

Answer 1

Growth, reproduction, repair

Question 2

Check to see if DNA is damaged

Answer 2

G1

Question 3

Checks to see if DNA replicated properly

Answer 3

G2

Question 4

Spindle assembly checkpoint, check for alignment of chromosomes

Answer 4

Mitosis

Question 5

Programmed cell death, if any of the checks fail

Answer 5

Apoptosis

Question 6

Growth and new organelles

Answer 6

G1 (gap)

Question 7

Synthesis of DNA

Answer 7

S Phase

Question 8

Preparation for cell division

Answer 8

G2

Question 9

Nuclear division

Answer 9

Mitosis

Question 10

Cell growth, preparation for division, DNA synthesis

Answer 10

Interphase

Question 11

Division of nucleus that results in identical complete copies of chromosomes packaged into two new nuclei

Answer 11

Mitosis

Question 12

List the 4 phases:

Answer 12

1. Prophase
2. Metaphase
3. Anaphase
4. Telophase

Question 13

Division of the cytoplasm that results in two daughter cells. Plants build a new cell wall. Animal cells pinch inward.

Answer 13

Cytokinesis

Question 14

Mitosis produces what that contains the exact same number of chromosomes as the original parent cell. Daughter cells are what?

Answer 14

2 daughter cells; Diploid

Question 15

Fibers attached to the centrioles that pull chromatids apart during anaphase

Answer 15

Spindle

Question 16

Abnormal growth of cells

Answer 16

Neoplasm

Question 17

Non-cancerous

Answer 17

Benign

Question 18

Cancerous

Answer 18

Malignant

Question 19

Cellular growth disorder that results from the mutation of genes that regulate the cell cycle

Answer 19

Cancer

Question 20

Study of cancer

Answer 20

Oncology

Question 21

How many chromosomes do humans have?

Answer 21

46

Question 22

After mitosis, how many daughter cells are produced?

Answer 22

2

Question 23

After mitosis, each daughter cell has how many chromosomes?

Answer 23

46

Question 24

How many phases are in mitosis?

Answer 24

4

Question 25

Which phase of the cell cycle is the longest?

Answer 25

Interphase

Question 26

During which phase does cytokines begin?

Answer 26

Telophase

Question 27

What cell parts migrate to the poles during prophase?

Answer 27

Centrioles

Question 28

What structures holds the two chromatids together?

Answer 28

Centromere

Question 29

During which phase does the nuclear membrane dissolve?

Answer 29

Prophase

Question 30

What structure moves the chromosomes into position and then pulls them apart?

Answer 30

Spindle fibers

Question 31

What is the overall purpose of mitosis?

Answer 31

Cell division

Question 32

The sister chromatids are moving apart

Answer 32

Anaphase

Question 33

The nucleolus begins to fade from view

Answer 33

Prophase

Question 34

A nuclear membrane of forming around the chromosomes

Answer 34

Telophase

Question 35

The cytoplasm of the cell is being divided

Answer 35

Anaphase

Question 36

The chromosomes become invisible

Answer 36

Telophase

Question 37

The chromosomes are located at the equator of the cell

Answer 37

Metaphase

Question 38

The nuclear membrane begins to fade from view

Answer 38

Prophase

Question 39

The division (cleavage) furrow appears

Answer 39

Telophase

Question 40

The chromosomes are moving towards the poles of the cells

Answer 40

Anaphase

Question 41

Chromatids line up along the equator

Answer 41

Metaphase

Question 42

The spindle is formed

Answer 42

Prophase

Question 43

Chromosomes are not visible

Answer 43

Interphase

Question 44

Cytokines is completed

Answer 44

Anaphase

Question 45

The cell plate is completed

Answer 45

Anaphase

Question 46

Chromosomes are replicated

Answer 46

Interphase

Question 47

The reverse of prophase

Answer 47

Telophase

Question 48

The organization phase

Answer 48

Metaphase

Question 49

What phase are daughter cells in as a result of mitosis?

Answer 49

Interphase

Question 50

During what phase of mitosis do centromeres divide and the chromosomes move toward their respective poles?

Answer 50

Anaphase

Question 51

What is the phase where chromatin condenses to form chromosomes?

Answer 51

Prophase

Question 52

What is the name of the structure that connects the two chromatids?

Answer 52

Centromere

Question 53

In a chromosome pair connected by a centromere, what is each individual chromosome called?

Answer 53

Chromatid

Question 54

What are the two parts of cell division?

Answer 54

Mitosis & Cytokinesis

Question 55

What is the phase where cytokinesis occurs?

Answer 55

Prophase