DNA Replication Short Questions

Question 1

Describe DNA replication

Answer 1

semi-conservative
DNA helicase
template strand
gyrase
RNA polymerase
DNA polymerase
DNA ligase

Question 2

which DNA polymerase has exonuclease activity?

Answer 2

DNA pol 1

Question 3

what direction is the leading strand

Answer 3

3’ 5

Question 4

how are okazaki fragments produced

Answer 4

lagging strand is 5’ to 3’
DNA pol 5’ to 3’
DNA unwinds, revealing more nucleotides in 3’ direction
RNA primers added down the replication fork

Question 5

replication fork

Answer 5

area of unwound DNA where replication of the leading and lagging strand are taking place

Question 6

what is transcription?

Answer 6

DNA template synthesis of complementary mRNA RNA polymerase
promoter

Question 7

where does RNA polymerase 2 bind?

Answer 7

promoter

Question 8

examples of promoter regions

Answer 8

TATA

Question 9

which RNA transcribes DNA?

Answer 9

RNA pol 2

Question 10

lagging and leading strands act as

Answer 10

templates

Question 11

what direction does RNA pol 2 read DNA?

Answer 11

3’ to 5’

Question 13

what position is the added carbon?

Answer 13

3’

Question 14

Describe the addition of nucleotides in the growing strand of DNA?

Answer 14

5’ carbon of new nucleotide is added to 3’ of existing nucleotide
pyrophosphate