science study guide

Question 1

G1 phase

Answer 1

1st growth phase, increase of size, new organelles

Question 2

S phase

Answer 2

synthesis phase, DNA duplicated

Question 3

G2 phase

Answer 3

2nd growth phase, produces protein, gets ready to divide

Question 4

Cell cycle

Answer 4

cycle of growth, development, division

Question 5

cell cycle is for

Answer 5

growth repair, replacement, reproduction

Question 6

moves chromatids in mitosis

Answer 6

spindle fibers

Question 7

spindle fibers are produced in

Answer 7

centriole

Question 8

if a cell has 78 chromosomes, the daughter cells will have how many after mitosis

Answer 8

78 chromosomes

Question 9

Prophase is

Answer 9

Nuclear envelope breaks down, centriole and spindle fiber appear

Question 10

Metaphase

Answer 10

chromatids line up and attach to spindle fibers

Question 11

anaphase

Answer 11

chromatids are pulled to the poles

Question 12

telophase

Answer 12

2 nuclei form, fibers disappear

Question 13

mitosis creates

Answer 13

2 new cells

Question 14

the new cells form mitosis are with the parent how

Answer 14

genetically identical

Question 15

cell cycle is

Answer 15

interphase, mitosis, and cytokinesis

Question 16

interphase is

Answer 16

When chromosomes replicate

Question 17

mitosis is

Answer 17

PMAT and nucleus division

Question 18

cytokinesis

Answer 18

cytoplasm splits

Question 19

nucleus membrane dissolves

Answer 19

in prophase’

Question 20

nucleus reappears

Answer 20

in telophase

Question 21

what hold sister chromatids together

Answer 21

centromere

Question 22

chromosomes replicate

Answer 22

in interphase

Question 23

Types of asexual reproduction

Answer 23

binary fission, budding, spore formation, vegetative reproduction, regeneration, cloning, parthenogenesis

Question 24

sexual reproduction is

Answer 24

slow, and genetically different

Question 25

asexual reprodution

Answer 25

is fast and genetically identical

Question 26

organisms producing offspring with unferlitilzed eggs is what type of reproduction

Answer 26

Parthenogenesis