DNA replication

Question 1

Semiconservative replication

Answer 1

That each daughter strand will contain one old or conserved strand.

Question 2

Topoisomerase

Answer 2

Prevents tangling - is an enzyme

Question 3

Helicase

Answer 3

Unwind the double helix

Question 4

Single strand Binding proteins

Answer 4

Bind and stabilize single-stranded DNA

Question 5

DNA polymerase

Answer 5

add nucleotides to the 3’ end
“5’ to 3’ is the way for me”

Question 6

Primase

Answer 6

Starts the RNA from the beginning makes the primer

Question 7

What starts the chain for DNA polymerase

Answer 7

Primase

Question 8

Leading strand

Answer 8

Goes to the replication fork

Question 9

Lagging strand

Answer 9

Synthesized in a series of fragments

Question 10

Ligase

Answer 10

Joins or glues the fragments of the lagging strand together

Question 11

DNA polymerase (proofreading & repairing)

Answer 11

Replacing any incorrect nucleotides
(fills in blank areas)

Question 12

Nuclease - Proofreading & Repairing DNA

Answer 12

cuts out the messed-up portion

Question 13

Telomeres

Answer 13

A special nucleotide sequence at the end of the eukaryotic chromosomes (postpones the aging of genes)

Question 14

Telomerase

Answer 14

Activity in cancer cells, which allow cancer cells to persist

Question 15

Prokaryotic cell structure

Answer 15

Small amount of protein
circular DNA molecule
Nucleoid region

Question 17

Eukaryotic cell structure

Answer 17

Linear DNA molecule
a large amount of protein
Chromatin (found in the nucleus)