DNA Replication

Front

DNA replication creates two strands of DNA from one. If pink is parental DNA and blue is new DNA - which picture demonstrates the accepted model of DNA replication after the SECOND replication cycle?

Back

Front

What is the name of the enzyme that unwinds and unzips DNA?

Back

DNA Helicase

Front

You are given the DNA strand 5'ATGCTCAGCTGA3'. What is the corresponding DNA strand?

Back

3'TACGAGTCGACT5'

Front

Order of enzymes involved in DNA replication from beginning to end?
Options:

Helicase, DNA primase, DNA polymerase, Ligase

,

RNA primase, Helicase, DNA polymerase, Ligase

,

Helicase, RNA primase, DNA polymerase, Ligase

,

DNA primase, Helicase, RNA polymerase, Ligase

Back

Helicase, RNA primase, DNA polymerase, Ligase

Front

What enzyme is responsible for the second step of DNA replication?

Back

RNA Primase lays down RNA primers for new nucleotide bases.

Front

What is the role of DNA polymerase?

Back

Builds new strands by bringing in new nucleotide bases.

Front

What is the last step of DNA replication?

Back

Ligase knits together fragments on lagging strand

Front

Which letter in the picture below depicts the leading strand in DNA replication? Options:

A

,

C

,

B

,

None of the above

Back

A

Front

Which letter in the picture below depicts the lagging strand in DNA replication?

Back

Letter B since it is copied from 3' to 5'

Front

Which letter in the given picture depicts the okazaki fragments?

Back

B - lagging strand