DNA Replication and RNA

DNA replication puts down nucleotides ______' to _____' and is said to be ______________________

• 5, 3, antiparallel

• 3, 5, antiparallel

• 5, 3, parallel

• 3, 5, parallel

DNA replication takes place in eukaryotic cells during which phase?

• G1

• S

• M

• G0

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?

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Which of the following DNA nucleotides are paired with the correct corresponding DNA nucleotide? (mark all that apply)

• Adenine with Thymine

• Guanine with Cytosine

• Thymine with Cytosine

• Adenine with Uracil.

• Uracil with Thymine

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

• 5'UACGAGUCGACU3'

• 5'TACGAGTCGACT3'

• 3'UACGAGUCGACU5'

• 3'TACGAGTCGACT5'

Many enzymes are involved in DNA replication. Which is the correct order of enzymes involved in DNA replication from beginning to end?

• Helicase, DNA primase, DNA polymerase, Ligase

• RNA primase, Helicase, DNA polymerase, Ligase

• Helicase, RNA primase, DNA polymerase, Ligase

• DNA primase, Helicase, RNA polymerase, Ligase

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

• DNA Ligase unwinds original DNA strand

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

• RNA polymerase builds new strands by bringing in new nucleotide bases.

• Helicase knits together fragments on lagging strand

What enzyme "unzips" the DNA molecule before replication begins?

• deoxyribose

• DNA polymerase

• helicase

• ribonucleic acid

In a semi-conservative model of DNA replication, what is the result of replication?

• Two DNA molecules, each one with two new strands.

• Two DNA molecules, each one with two original strands,

• Two DNA molecules, each with one new strand and one original strand.

• Two DNA molecules, one with two new strands and the other with two original strands.

Made up of nucleotides

• DNA

• RNA

• BOTH DNA & RNA