Cell Division

Question 1

What are the main phases of the cell cycle?

Answer 1

Interphase and the Mitotic Phase (M Phase)

Question 2

True or False: The cell cycle consists of only two phases.

Answer 2

False

Question 3

Fill in the blank: The phase of the cell cycle where the cell grows and duplicates its DNA is called __________.

Answer 3

Interphase

Question 4

What are the three sub-phases of Interphase?

Answer 4

G1, S, and G2 phases

Question 5

During which phase does DNA replication occur?

Answer 5

S phase

Question 6

What does the G1 phase stand for?

Answer 6

Gap 1 phase

Question 7

What is the main purpose of the G2 phase?

Answer 7

Preparation for mitosis

Question 8

Multiple Choice: Which phase directly follows the G2 phase? A) S phase B) G1 phase C) M phase D) None of the above

Answer 8

C) M phase

Question 9

True or False: Mitosis is the process of cell division that results in two identical daughter cells.

Answer 9

True

Question 10

What are the stages of mitosis?

Answer 10

Prophase, Metaphase, Anaphase, and Telophase

Question 11

Fill in the blank: The phase of mitosis where chromosomes align at the cell’s equator is called __________.

Answer 11

Metaphase

Question 12

What is cytokinesis?

Answer 12

The division of the cytoplasm to form two separate daughter cells.

Question 13

Multiple Choice: Which checkpoint ensures that DNA has been replicated correctly? A) G1 checkpoint B) G2 checkpoint C) M checkpoint D) All of the above

Answer 13

B) G2 checkpoint

Question 14

What role do cyclins play in the cell cycle?

Answer 14

They regulate the progression of the cell cycle.

Question 15

True or False: Apoptosis is a process that occurs during the cell cycle.

Answer 15

True

Question 16

What is the function of the spindle fibers during mitosis?

Answer 16

They help separate the chromosomes.

Question 17

What is the distinction between mitosis and meiosis?

Answer 17

Mitosis produces two identical diploid cells; meiosis produces four genetically diverse haploid cells.

Question 18

Fill in the blank: The checkpoint that assesses cell size and DNA integrity before DNA replication is the __________ checkpoint.

Answer 18

G1

Question 19

What happens during prophase?

Answer 19

Chromatin condenses into visible chromosomes, and the nuclear envelope begins to break down.

Question 20

Multiple Choice: At which checkpoint does the cell assess whether all chromosomes are attached to the spindle apparatus? A) G1 checkpoint B) G2 checkpoint C) M checkpoint D) None of the above

Answer 20

C) M checkpoint

Question 21

What is the role of tumor suppressor genes in the cell cycle?

Answer 21

They inhibit cell division and prevent tumor formation.

Question 22

True or False: The length of the cell cycle is the same for all cell types.

Answer 22

False

Question 23

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

Answer 23

It is essential for DNA replication, ensuring that each daughter cell receives an identical set of chromosomes.

Question 24

Fill in the blank: The phase of the cell cycle where the cell prepares for division and checks for DNA damage is the __________ phase.

Answer 24

G2

Question 25

What is the outcome of a malfunctioning checkpoint in the cell cycle?

Answer 25

It can lead to uncontrolled cell division and cancer.

Question 26

What is the primary function of the M phase?

Answer 26

To divide the cell's nucleus and cytoplasm into two daughter cells.