Mitosis

Question 1

What is mitosis?

Answer 1

Mitosis is a process of cell division that results in two genetically identical daughter cells.

Question 2

True or False: Mitosis occurs in prokaryotic cells.

Answer 2

False

Question 3

What are the main stages of mitosis?

Answer 3

The main stages of mitosis are prophase, metaphase, anaphase, and telophase.

Question 4

Fill in the blank: During __________, chromosomes condense and become visible.

Answer 4

prophase

Question 5

What is the role of the spindle fibers during mitosis?

Answer 5

Spindle fibers help separate the chromosomes during cell division.

Question 6

Multiple choice: Which stage of mitosis is characterized by the alignment of chromosomes at the cell equator? A) Prophase B) Metaphase C) Anaphase D) Telophase

Answer 6

B) Metaphase

Question 7

What happens during anaphase?

Answer 7

During anaphase, sister chromatids are pulled apart to opposite poles of the cell.

Question 8

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

Answer 8

True

Question 9

Fill in the blank: The phase where the nuclear envelope re-forms is called __________.

Answer 9

telophase

Question 10

What is cytokinesis?

Answer 10

Cytokinesis is the process that divides the cytoplasm of a parental cell into two daughter cells.

Question 11

Multiple choice: What structure forms during cytokinesis in animal cells? A) Cell plate B) Cleavage furrow C) Spindle apparatus D) Chromatin

Answer 11

B) Cleavage furrow

Question 12

What is the significance of mitosis?

Answer 12

Mitosis is essential for growth, development, and tissue repair in multicellular organisms.

Question 13

True or False: Mitosis results in four daughter cells.

Answer 13

False

Question 14

What is the duration of mitosis in human cells?

Answer 14

Mitosis typically lasts about 1 to 2 hours in human cells.

Question 15

Fill in the blank: The phase where chromosomes are replicated is known as __________.

Answer 15

interphase

Question 16

Multiple choice: Which protein complex is responsible for the separation of sister chromatids? A) Cohesin B) Kinetochore C) Centromere D) Microtubules

Answer 16

B) Kinetochore

Question 17

What is the function of cohesin during mitosis?

Answer 17

Cohesin holds sister chromatids together until they are ready to separate.

Question 18

True or False: The centromere is the region of a chromosome where the two sister chromatids are joined.

Answer 18

True

Question 19

What occurs during prophase?

Answer 19

During prophase, chromatin condenses into visible chromosomes, and the nuclear envelope begins to break down.

Question 20

Fill in the blank: The __________ is the structure that organizes microtubules during mitosis.

Answer 20

spindle apparatus

Question 21

Multiple choice: At what stage do chromosomes split and move toward opposite poles? A) Prophase B) Metaphase C) Anaphase D) Telophase

Answer 21

C) Anaphase

Question 22

What is the result of mitosis?

Answer 22

The result of mitosis is two genetically identical diploid daughter cells.

Question 23

True or False: Mitosis is a form of asexual reproduction in single-celled organisms.

Answer 23

True

Question 24

What type of cells undergo mitosis?

Answer 24

Somatic cells undergo mitosis.

Question 25

Fill in the blank: The __________ checkpoint ensures that the cell is ready to enter mitosis.

Answer 25

G2

Question 26

Multiple choice: Which phase of the cell cycle follows mitosis? A) G1 B) S C) G2 D) M

Answer 26

A) G1

Question 27

What is the purpose of the M checkpoint?

Answer 27

The M checkpoint ensures that all chromosomes are properly attached to the spindle before proceeding with anaphase.

Question 28

True or False: Mitosis occurs in both plant and animal cells.

Answer 28

True

Question 29

What is a key difference between mitosis in plant and animal cells?

Answer 29

In plant cells, a cell plate forms during cytokinesis, while in animal cells, a cleavage furrow forms.

Question 30

Fill in the blank: The __________ phase is where the cell prepares for DNA replication.

Answer 30

S

Question 31

Multiple choice: Which of the following is NOT a stage of mitosis? A) Prophase B) Metaphase C) Interphase D) Telophase

Answer 31

C) Interphase

Question 32

What happens to the nuclear envelope during prophase?

Answer 32

The nuclear envelope breaks down during prophase.

Question 33

True or False: Chromosomes are duplicated before mitosis begins.

Answer 33

True

Question 34

What is the role of the centrosome in mitosis?

Answer 34

The centrosome organizes the microtubules that form the spindle apparatus.

Question 35

Fill in the blank: The __________ is the point where two sister chromatids are joined.

Answer 35

centromere

Question 36

Multiple choice: Which stage of mitosis involves the disassembly of the spindle apparatus? A) Prophase B) Metaphase C) Anaphase D) Telophase

Answer 36

D) Telophase

Question 37

What occurs during metaphase?

Answer 37

During metaphase, chromosomes line up at the metaphase plate in the center of the cell.

Question 38

True or False: Mitosis is essential for genetic diversity.

Answer 38

False