Gene Expression and Cell Division problem cards

Question 1

8 histone proteins that DNA wraps around

Answer 1

nucleosomes

Question 2

new covalent bonds stick together new pieces of DNA or RNA

Answer 2

splicing

Question 3

chromosomes 1-22

Answer 3

autosomes

Question 4

phase where most of the growth and activity of the cell occurs

Answer 4

G1

Question 5

found at the centromeres, pulls on spindle fibers

Answer 5

kinetochore

Question 6

structure that links two chromatids together

Answer 6

centromere

Question 7

two identical parts of a chromosome

Answer 7

chromatids

Question 8

DNA and protein clusters in a cell

Answer 8

chromosomes

Question 9

phase where the cell copies its DNA

Answer 9

S phase

Question 10

process where the cytoplasm of the cell separates into two new ones

Answer 10

cytokinesis

Question 11

the array of microtubule proteins that forms during prophase

Answer 11

mitotic spindle

Question 12

material of a chromosome which is DNA wrapped around proteins

Answer 12

chromatin

Question 13

phase where the cell prepares for mitosis

Answer 13

G2

Question 14

individual proteins that assist RNA polymerase

Answer 14

activators

Question 15

repressor proteins bind to these DNA sequences

Answer 15

silencers

Question 16

a large group of proteins that assist in transcription

Answer 16

transcription factors

Question 17

a type of protein that prevents transcription

Answer 17

repressor

Question 18

DNA sequences that assist transcription

Answer 18

enhancers