Biology Protein Synthesis Review

Because you are reusing the old, or parent, DNA strand DNA replication is said to be

• Semi- Conservative

• Continuous

• Semi-discontinuous

• Fully-Conservative

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

• DNA Helicase

• DNA polyermase

• DNA Ligase

• RNA Polymerase

Which enzyme is responsible for adding the free nucleotides to the replicating DNA? ​

• DNA polyermase

• DNA Helicase

• DNA Ligase

• RNA Polymerase

Which is the first step of DNA replication?

• DNA Helicase unwinds original DNA strand

• DNA polymerase builds new strands by bring in new nucleotide bases.

• RNA Primase lays down RNA primer for new nucleotide bases.

• Ligase knits together fragments on lagging strand

What are the gaps between the newly synthesized DNA on the lagging strand called?

• Okazaki fragments

• Helicase fragments

• Polymer gaps

• Acidic gaps

DNA is replicated during the____________ stage of the cell cycle.

• Synthesis

• Synapse

• Growth 1

• Mitosis

DNA replication starts at many points in eukaryotic chromosomes.

• True

• False

What does DNA stand for?

• Deoxyribonucleic Acid

• Denitrogenous Acid

• Deribonucleic Acid

• Diribonucleic Acid

In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of

• Thymine

• Cytosine

• Guanine

• Uracil

What will the matching sequence be on a strand that reads AAGCTAT?

• TTCGATA

• AACGATA

• TTCGTTA

• CCTGATA