Cell Cycle and Mitosis

Question 1

T or F; After cell division, each new cell will contain the same genetic information as the original cell.

Answer 1

T

Question 2

T or F: Asexual reproduction can only occur by mitosis.

Answer 2

T

Question 3

T or F: Cytokinesis can only occur during metaphase.

Answer 3

F.

Question 4

T or F: Animal cells form cell walls on either side of the cell plate during cytokinesis.

Answer 4

F.

Question 5

T or F: Spindles move chromosomes during cell division.

Answer 5

T

Question 6

T or F: During cytokinesis in plant cells, the cell is pinched in half by a belt of protein threads.

Answer 6

F.

Question 7

T or F: During telophase, a nuclear envelope usually surrounds each new set of chromosomes.

Answer 7

T

Question 8

T or F: Plant cells cannot undergo cell division because of their strong cell walls.

Answer 8

F.

Question 9

T or F: After mitosis and cytokinesis, each new cell has a complete set of the parent cells’ chromosomes.

Answer 9

T

Question 10

Metaphase: prophase as
A. G2:S
B. M:C
C. Autotroph:Producer
D. G1:M

Answer 10

A; G2: S

Question 11

The Synthesis (S) phase is characterized by:
A. Replication of mitochondria and other organelles.
B. The division of cytoplasm
C. DNA replication.
D. Cell division.

Answer 11

C; DNA replication

Question 12

A spindle fiber is a specialized form of:
A. Microtubule.
B. Flagellum.
C. Cilium.
D. Chromosome.

Answer 12

A; Microtubule.

Question 13

Cytokinesis in plants involved the formation of a:
A. Cell plate
B. Centrioles
C. Spindle Fibers.
D. Replicated Chromosomes.

Answer 13

A; Cell plate.

Question 14

The first three phases of the cell cycle are collectively known as:
A. telophase
B. Interphase
C. Cellular respiration
D. Mitosis.

Answer 14

B; Interphase

Question 15

Mitosis is a process by which:
A. Cytokinesis occurs
B. Cells grow in size.
C. A cell’s nucleus divides.
D. DNA is replicated.

Answer 15

C; A cell’s nucleus divides.

Question 16

In plant cells, cytokinesis occurs
A. When osmotic pressure is too low.
B. Immediately after the chromosomes make exact copies of themselves.
C. Immediately after the spindle fibers are formed.
D. as Mitosis ends.

Answer 16

D; As Mitosis ends.

Question 17

Chromatids are:
A. Bacterial chromosomes
B. Joined strands of duplicated genetic material.
C. Dense patches within the nucleus.
D. Prokaryotic nuclei.

Answer 17

B; Joined strands of duplicated genetic material.

Question 18

Which stage of the cell’s life cycle does NOT occur during interphase?
A. G2
B. S
C. G1
D. Mitosis

Answer 18

D; Mitosis

Question 19

The point at which two chromatids are attached to each other in a chromosome is called a:
A. Gamete
B. Chloroplast
C. Centriole
D. Centromere.

Answer 19

D; Centromere.

Question 20

The stage of the cell cycle that occupies most of the cell’s life is:
A. S
B. M
C. G2
D. G1.

Answer 20

D; G1.

Question 21

Cell: GI as
A. Mitosis:meiosis.
B. Mitosis:C
C. Mitochondria replication:S
D. DNA copying: S

Answer 21

D; DNA Copying: S

Question 22

Cells that are not dividing remain in the:
A. Cytokinesis phase.
B. Synthesis phase.
C. Mitosis phase.
D. First growth phase.

Answer 22

D; First growth phase (G1)

Question 23

During the __ stage of the cell cycle DNA is replicated.
A. G2
B. S
C. M
D. G1

Answer 23

B; S phase.

Question 24

The phase of mitosis that is characterized by the arrangement of all chromosomes along the equator of the cell is called:
A. Telophase.
B. Metaphase.
C. Prophase
D. Anaphase

Answer 24

B; Metaphase.

Question 25

A human skin cell has ___ chromosomes.

Answer 25

46

Question 26

In animal cell, the cytoplasm is divided by a ___.

Answer 26

Protein Belt.

Question 27

After a new nuclear membrane forms during telophase of mitosis, the ___ divides, resulting in two new cells.

Answer 27

Cytoplasm.

Question 28

A cell's nucleus has 22 chromosomes before Mitosis. How many chromosomes will each new cell nucleus contain? ___

Answer 28

22.

Question 29

During the ___ stage of the cell cycle mitochondria and ribosomes replicate.

Answer 29

G2.

Question 30

Chromosomes coil up and become visible during ____.

Answer 30

Prophase.

Question 31

In Mitosis, anaphase follows ___.

Answer 31

Metaphase.

Question 32

"Cables" made up microtubules that extend from the poles of a cell to the centromeres during cell division are called ____.

Answer 32

Spindle Fibers.

Question 33

A cell's DNA is copied during the __ phase.

Answer 33

S.

Question 34

What occurs during G1?

Answer 34

The cell grows.

Question 35

What occurs during S phase?

Answer 35

DNA Replication.

Question 36

What occurs during G2?

Answer 36

The cell prepares for division by completing DNA synthesis.

Question 37

What occurs during prophase?

Answer 37

Chromatids uncoil and become visible.

Question 38

What occurs during metaphase?

Answer 38

Chromatids line up in the middle of the cell.

Question 39

What occurs during anaphase?

Answer 39

Chromatids pull apart to the opposite poles.

Question 40

What occurs during telophase?

Answer 40

Two nuclei are formed.

Question 41

What occurs during cytokinesis?

Answer 41

The cytoplasm divides.

Question 42

What occurs during Mitosis?

Answer 42

The nucleus of a cell divides.

Question 43

What occurs during Interphase?

Answer 43

The cell grows.