AP biology: 16-19

Question 1

DNA Helicase

Answer 1

Untwists the double helix and separate the template DNA strands at the replication fork

Question 2

DNA polymerpase 1

Answer 2

Removes primer towards the end and replaces with DNA

Question 3

DNA polymerase 3

Answer 3

Continuously synthesizes the leading and elongates Okazaki fragments

Question 4

DNA ligase

Answer 4

Connects all of the leading and lagging strands together

Question 5

Primase

Answer 5

Makes the RNA primer at the 5 end of the leading strand and of the Okazaki fragments

Question 6

Topoisomerase

Answer 6

Corrects over winding ahead of replication forks by breaking, swiveling, and rejoining DNA strands

Question 7

Telomerase

Answer 7

Catalyzes the lengthening of telomeres in germ cells (ones that will become germs)

Question 8

Morgan

Answer 8

Genes are on chromosomes

Question 9

Avery McCarty Macleod

Answer 9

Transforming factor is DNA

Question 10

Hershey and chase

Answer 10

DNA was what was genetic material in t2

Question 11

Watson and crick

Answer 11

Deal helical model

Question 12

Meselson and stahl

Answer 12

Proved semi conservative model

Question 13

RNA vs DNA

Answer 13

RNA: single stranded, ribose, uracil, cytoplasm, 3 or more forms, smallerm temporary
DNA : double helix, deoxyribose, ulcers, one form, larger