Test Two DNA replication

Question 1

how many nucleotides per turn of helix

Answer 1

10

Question 2

function of histones

Answer 2

package DNA

Question 3

euchromatin

Answer 3

less packaged and available for gene transcription

Question 4

heterochromatin

Answer 4

more condensed and not available for gene transcription

Question 5

what forms at replication origins when transcription occurs

Answer 5

bubbles or forks caused by initiator proteins

Question 6

purpose of DNA polymerase

Answer 6

forms phosphodiester bond between previous nucleotide and new nucleotide

Question 7

how are nucleotides added

Answer 7

in 5’ to 3’ direction

Question 8

what enzyme proofreads DNA

Answer 8

DNA polymerase

Question 9

is synthesis continuous or not in the leading strand

Answer 9

yes

Question 10

is synthesis continuous or not in the lagging strand

Answer 10

no

Question 11

what fragments are formed in the lagging strand

Answer 11

okasaki fragment

Question 12

what is needed for DNA polymerase to begin

Answer 12

primer sequence made of RNA

Question 13

what links the okasaki fragments together

Answer 13

DNA ligase