ch 12 mitosis

Question 1

genome

Answer 1

a cells genetic info

Question 2

chromosomes

Answer 2

DNA packed into chromosomes

Question 3

chromatin

Answer 3

the entire complex of DNA and proteins that are building materials of a chromosome

Question 4

somatic cells

Answer 4

all body cells expect for reproductive cells

Question 5

gametes

Answer 5

sperm and egg, repro cells

Question 6

sister chromatids

Answer 6

each duplicated chromosome has two sister chromatids, joined copies of the original chromosome

Question 7

centromere

Answer 7

area where the sister chromotids are most closely attached

Question 8

mitosis`

Answer 8

the division of genetic material in the nucleus

Question 9

cytokinesis

Answer 9

division of the cytoplasm

Question 10

M phase

Answer 10

mitosis and cytokinesis

Question 11

interphase`

Answer 11

90 % of cell cycle

consists of g1, s, g2 phase

Question 12

s -phase

Answer 12

DNA synthesis

Question 13

mitosis phases

Answer 13

prophase, metaphase, anaphase, telophase

Question 14

mitotic spindle

Answer 14

moves chromosomes during mitosis

Question 15

centrosome

Answer 15

microtubule organizing center

Question 16

aster

Answer 16

radial array of short microtubules that extend from the centrosome

Question 17

kinetochore

Answer 17

links each sister chromatid to the mitotic spindle

Question 18

metaphase plate

Answer 18

where the chromosomes line up during metaphase

Question 19

cleavage furrow

Answer 19

shallow grove near old metaphase plate that is where cell seperation starts
animal cells

Question 20

cell plate

Answer 20

plant cells

Question 21

binary fission

Answer 21

bateria divide in half, bacteria cell division