ap bio quiz

Question 1

helicase

Answer 1

unzips DNA by breaking the bond between nitrogen bases

Question 2

T-merase

Answer 2

prevents it from knotting up

Question 3

Single stranded binding protein

Answer 3

stabilizes the single stranded DNA after being separating

Question 4

primase

Answer 4

adds an RNA primer at the 5’ end of leading strand and Oka-who ha fragment

Question 5

DNA poly lll

Answer 5

adds complimetary DNA nucleotides in the 5-3 prime direection by adding it to the free 3’ end by using the parent strand as a template

Question 6

DNA poly 1

Answer 6

removes the RNA nucleotide of the primer and replaces it with DNA nucleotide

Question 7

DNA ligase

Answer 7

joins 3’ ends of DNA that replaces primer to rest of leading strand and joins the oki-whoha fragments of lagging strand

Question 8

what end is the only end in which new nucleotides can be added

Answer 8

the 3 primed end

Question 9

1928 Griffith

Answer 9

There is a heritable agent and it can be transferred between cells

Question 10

1944-Oswald Avery and Mac and Mc

Answer 10

DNA is hereditary material

Question 11

1952-Hershy and chase

Answer 11

PROVED dna is the molecule of heredity

Question 12

1950 chargaff

Answer 12

BASE PAIRSSSS

Question 13

photo 51 1952

Answer 13

ROSALINDDDD FRANKY GIRL