Unt 6

Question 1

What direction does DNA form

Answer 1

5” to 3”

Question 2

What does DNA ligase

Answer 2

Stops and fixes the breaks in DNA

Question 3

DNA polymerase

Answer 3

Creates double stranded DNA and copies it

Question 4

What are plasmids

Answer 4

Bacteria to independently change and press genes

Question 5

what are three DNA binding proteins

Answer 5

DNA polymerase, RNA polymerase, Histones

Question 6

What are histones

Answer 6

Chromosome packaging

Question 7

helicase

Answer 7

unwinds DNA

Question 8

topoisomerase

Answer 8

relaxes supercoiling in the front of the replication fork

Question 9

DNA primase

Answer 9

adds rna to DNA strand that initiates DNA polymerae

Question 10

DNA polymerase

Answer 10

Enzyme that adds new DNA base pairs to make an identical strand of DNA

Question 11

Template Strand

Answer 11

Template- DNA strand read to create a mRNA

Question 12

anti-parallel

Answer 12

one strand runs in 5’ to 3’ while the other runs from 3’ 5’

Question 13

pairing rules

Answer 13

A-T, C-G

Question 14

Leading Strand

Answer 14

Strand that is replicated continuously in the 5’ to 3’ direction

Question 15

okazaki fragments

Answer 15

short fragments of DNA replicated on the lagging strand that must be linked togetyher by ligase

Question 16

lagging strand

Answer 16

replicated discontinuously in short segments in the 5’ to 3’ direction

Question 17

DNA Ligase

Answer 17

bonds Okazaki fragments together