DNA Replication and Protein Synthesis

Which enzyme is responsible for adding DNA nucleotides to a RNA primer?

• Topoisomerase

• DNA Polymerase

• Ligase

• Primase

Which enzyme joins the Okazaki fragments in the lagging strand?

• Helicase

• DNA Polymerase

• Ligase

• Primase

If a portion of DNA strand reads:

3' A A A T T T C 5'

The matching strand would read...

• 5' T T T A A A G 3'

• 3' T T T A A A G 5'

• 5' A A A T T T C 3'

• 3' U U U A A A G 5'

This picture is illustrating the ____ nature of DNA.

• antiparallel

• semiconservative

• helical

• radioactive

The strand of DNA that is replicated continuously from 5' to 3' is known as

• leading strand

• lagging strand

• parallel strand

• antiparallel strand

If the percentage of DNA is made of 30% Thymine, what is the correct percentage of Guanine?

• 30
• 15
• 20
• 60

Which enzyme is responsible for adding the RNA primer to the template strand?

• Helicase

• DNA Polymerase

• Ligase

• Primase

Chromosomes are composed of ______.

• protein only

• DNA only

• DNA and protein

• RNA and protein

Which of the nucleotides below could be found in DNA?

• Deoxyribose-Phosphate-Adenine

• Deoxyribose-Phosphate-Uracil

• Ribose-Phosphate-Adenine

• Ribose-Phosphate-Uracil

A promoter is a

• binding site for DNA polymerase

• binding site for RNA polymerase

• start signal for transcription

• stop signal for transcription