Mitosis and the Cell Cycle

Question 1

fission

Answer 1

prokaryotic cell division

Question 2

mitosis

Answer 2

use microtubules in mitotic spindle to separate sister chromatids to make separate chromosomes

Question 3

chromatin

Answer 3

the material of chromosomes (DNA, protein, RNA)

Question 4

chromosome

Answer 4

one or two chromatids joined by a centromere

Question 5

sister chromatid

Answer 5

DNA replicate and original chromosome

Question 6

centromere

Answer 6

center of chromosome

Question 7

chromosome condensation

Answer 7

chromosomes condense after replication and before mitosis to make separation easier

Question 8

mitotic spindle

Answer 8

built of microtubules, arranges and moves chromosomes

Question 9

centriole

Answer 9

organize the microtubules into correct placement for mitotic spindle

Question 10

centrosome

Answer 10

contains the centrioles, where spindle fibers develop during mitosis

Question 11

kinetochore

Answer 11

proteins surrounding the centromere which control movement through shortening and sliding

Question 12

prophase

Answer 12

chromosomes condense, mitotic spindle forms, nuclear envelope begins to break down

Question 13

prometaphase

Answer 13

spindle is fully set up

Question 14

metaphase

Answer 14

sister chromatids are lined up

Question 15

anaphase

Answer 15

sister chromatids are pulled apart and move to ends of cell

Question 16

telophase

Answer 16

spindle disappears, nuclear envelope reforms

Question 17

cytokinesis

Answer 17

subdivision of the cytoplasm into two cells

Question 18

cleavage furrow

Answer 18

pinches the cell in 2 and requires a contractile ring of underlying microfilaments and myosin

Question 19

contractile ring

Answer 19

made of microfilaments and myosin

Question 20

cell plate

Answer 20

in plant cells, vesicles fusing in the middle of the cell

Question 21

G1

Answer 21

period between M and S phases

Question 22

G2

Answer 22

period between S and M phases

Question 23

M phase

Answer 23

mitosis

Question 24

S phase

Answer 24

DNA replication/synthesis

Question 25

cell cycle

Answer 25

S -> G2 -> M -> G1