Cell Divison And Mitosis

Question 1

What is the process of cell division called?

Answer 1

Mitosis

Question 2

True or False: The cell cycle consists of interphase and mitotic phase.

Answer 2

True

Question 3

What phase of the cell cycle is characterized by cell growth and DNA replication?

Answer 3

Interphase

Question 4

Fill in the blank: Chromosomes are duplicated during the _____ phase of interphase.

Answer 4

S

Question 5

What is the term for the structure that holds sister chromatids together?

Answer 5

Centromere

Question 6

Which phase of mitosis involves the alignment of chromosomes at the cell’s equator?

Answer 6

Metaphase

Question 7

What is the main event that occurs during anaphase?

Answer 7

Sister chromatids are pulled apart to opposite poles.

Question 8

True or False: Telophase is the final stage of mitosis.

Answer 8

True

Question 9

During which phase of the cell cycle does the cell prepare for mitosis?

Answer 9

G2 phase of interphase

Question 10

What happens to the nuclear envelope during prophase?

Answer 10

It begins to break down.

Question 11

What is the primary purpose of mitosis?

Answer 11

To produce two identical daughter cells.

Question 12

Which phase follows metaphase in mitosis?

Answer 12

Anaphase

Question 13

Fill in the blank: During telophase, the chromosomes _____ and the nuclear envelope re-forms.

Answer 13

decondense

Question 14

What is the significance of the spindle apparatus during mitosis?

Answer 14

It helps separate the chromatids.

Question 15

True or False: Mitosis results in genetic variation among daughter cells.

Answer 15

False

Question 16

What are the two main stages of the cell cycle?

Answer 16

Interphase and mitotic phase

Question 17

What is the G1 phase of interphase primarily focused on?

Answer 17

Cell growth and normal functions

Question 18

Which stage of mitosis is characterized by the separation of sister chromatids?

Answer 18

Anaphase

Question 19

What is the role of checkpoints in the cell cycle?

Answer 19

To ensure proper progression and prevent errors.

Question 20

Fill in the blank: Chromosomes are most visible during _____ phase of mitosis.

Answer 20

Prophase

Question 21

What occurs during cytokinesis?

Answer 21

The cytoplasm divides, resulting in two daughter cells.

Question 22

True or False: Cells spend most of their life in the mitotic phase.

Answer 22

False

Question 23

What is the main function of the S phase in interphase?

Answer 23

DNA synthesis and replication

Question 24

What happens to the chromatin during prophase?

Answer 24

It condenses into visible chromosomes.

Question 25

During which phase do centrioles move to opposite poles?

Answer 25

Prophase

Question 26

What is the outcome of mitosis?

Answer 26

Two genetically identical diploid daughter cells

Question 27

Fill in the blank: The phase of mitosis where chromosomes line up at the equatorial plate is called _____ phase.

Answer 27

Metaphase

Question 28

What role do kinetochores play during cell division?

Answer 28

They attach chromosomes to the spindle fibers.

Question 29

What is the function of the mitotic spindle?

Answer 29

To segregate chromosomes during cell division.

Question 30

True or False: Interphase is not part of mitosis.

Answer 30

True

Question 31

What happens during G0 phase?

Answer 31

Cells exit the cell cycle and enter a resting state.

Question 32

What is the role of cyclins in the cell cycle?

Answer 32

To regulate the progression of the cell cycle.

Question 33

Fill in the blank: The phase in which the nuclear envelope re-forms is called _____ phase.

Answer 33

Telophase

Question 34

What is the difference between mitosis and meiosis?

Answer 34

Mitosis results in identical cells; meiosis results in genetic diversity.

Question 35

During which phase do chromosomes decondense back into chromatin?

Answer 35

Telophase

Question 36

What is the role of p53 in the cell cycle?

Answer 36

To act as a tumor suppressor by preventing damaged cells from dividing.

Question 37

Fill in the blank: Mitosis is followed by _____, which completes the cell division process.

Answer 37

Cytokinesis

Question 38

What is the significance of the M phase in the cell cycle?

Answer 38

It is the phase where mitosis occurs.

Question 39

True or False: Chromatids are identical copies of a chromosome.

Answer 39

True