Quiz: DNA Replication

Which of the following units are repeatedly joined together to form a strand of DNA? (This is the MONOMER of DNA.) 

• amino acids
• nucleotides
• fatty acids
• polysaccharides

A process in which DNA has the unique ability to make an exact copy of itself.

• Replication
• Translation
• Transcription

Which enzyme is responsible for unzipping the double helix during DNA replication?

• Topoisomerase

• DNA Polymerase

• Helicase

• Primase

Which enzyme is responsible for adding nucleotides during DNA replication?

• Topoisomerase

• DNA Polymerase

• Ligase

• Primase

Replicate the following DNA strand (DNA to DNA): GTA - ATT - CGC

• GAT - TAA - GCG

• CAT - TAA - GCG

• CAT - TAA - GGG

• CTT - TAA - GCG

What are three ways that DNA & RNA differ?

• DNA has thymine, RNA has uracil

• Both are a nucleic acid

• The sugar in DNA is deoxyribose, the sugar in RNA is ribose

• DNA is a double helix, RNA is a single strand

Guanine bonds with ______________.

• Adenine
• Guanine
• Cytosine
• Thymine

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

• 30
• 15
• 20
• 60

DNA replication is semiconservative because it results in two DNA molecules,

• each one with two original strands

• each one with two new strands

• each one with one new strand and one original strand

• one with two new strands and the other with two original strands

order of replication

• 3, 4, 2, 1
• 3, 1, 4, 2
• 2, 1, 4, 3
• 3, 4, 1, 2