semester 1 exam part 5

Question 1

equally divides an animal cell into two offspring cells

Answer 1

cleavage furrow

Question 2

equally divides chromatids between offspring cells

Answer 2

mitotic spindle

Question 3

the period during which DNA is copied

Answer 3

S phase

Question 4

the time between cell divisions

Answer 4

interphase

Question 5

the first phase of interphase

Answer 5

G1 phase

Question 6

the phase of mitosis during which chromosomes move to opposite poles

Answer 6

anaphase

Question 7

prokaryotic cells reprodue by a process called

Answer 7

binary fission

Question 8

in eukaryotic cells, DNA is copied during a phase of the cell cycle called

Answer 8

S phase

Question 9

the cytoplasm of a euykaryotic cell divides by

Answer 9

cytokinesis

Question 10

the fibers that extend from centrosome to centrosome during mitosis are

Answer 10

polar fibers

Question 11

structure that forms along the mid line of a dividing plant cell

Answer 11

cell plate

Question 12

during mitosis and meiosis , kinetochore fibers are though to

Answer 12

move chromosomes

Question 13

histones are proteins that

Answer 13

aid in the packing of DNA in eukaryotic cells

Question 14

DNA that is uncoiled and spread out

Answer 14

chromatin

Question 15

the chromosomes of most prokaryotes consist of proteins and

Answer 15

a single circular DNA moleucle

Question 16

during cell division ,the DNA in a eukarytoic cell is tightly packed and coiled into structures called

Answer 16

chromosomes

Question 17

the repeating set of events that make up the life of a cell

Answer 17

cell cycle

Question 18

a region of the chromosome where two sister chromatids are held together

Answer 18

centromere

Question 19

the region of a cell between the cell membrane and the nucleus

Answer 19

cytoplasm

Question 20

a dark body containing a centriole in animal cells; spindle fibers radiate from this structure in preparation for mitosis

Answer 20

centrosome

Question 21

DNA in a coiled rod shaped form that occurs during cell division

Answer 21

chromosome

Question 22

structure that appears during mitosis in animal cells

Answer 22

centrioles

Question 23

one of two identical parts of a chromosome

Answer 23

chromatids

Question 24

the DNA in the nucleus of a nondividing cell

Answer 24

chromatin

Question 25

the production of mature egg cells

Answer 25

oogenesis

Question 26

reproductive cell

Answer 26

gamete

Question 27

the scientific study of hereditary is called

Answer 27

genetics

Question 28

the father of genetic is

Answer 28

gregor mendel

Question 29

mendel obtained the P generation by allowing the plants to

Answer 29

self pollinate

Question 30

the inheritance of one trait had no effect on the inheritance of another became known as the

Answer 30

law on independent assortment