Example Test

Question 1

Hershey and Chase experiment demonstrated that

Answer 1

• phage DNA enters the host cell

- confirmed the hereditary role of DNA

Question 2

okazaki fragment primers are created by

Answer 2

RNA primase

Question 3

role of DNA polymerase I

Answer 3

primer removal and gap filling in the completion of an Okazaki frament

Question 4

role of DNA ligase

Answer 4

makes final covalent bond in the completion of an Okazaki fragment, including primer removal and gap filling

Question 5

transcribing enzyme is

Answer 5

RNA polymerase

Question 6

primary function of a promoter

Answer 6

sigma factor recognition

Question 7

peptidyl transferase

Answer 7

enzyme that creates peptide bonds at the ribosome

Question 8

monocistronic

Answer 8

eukaryotic mRNA codes for only 1 protein

Question 9

polycistronic

Answer 9

prokaryotic mRNA codes for multiple proteins

Question 10

molecular chaperones

Answer 10

help proteins fold properly

Question 11

Griffith’s experiment demonstrated

Answer 11

that injecting a mixture of dead and live bacteria into mice proved that a factor was capable of transforming one bacterial cell type to another