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Questions and Answers
In the semiconservative replication of DNA, progeny DNA molecules consist of
In the semiconservative replication of DNA, progeny DNA molecules consist of
- all molecules with one parental and one new strand (correct)
- all molecules with two new strands
- all molecules with interspersed parental and new segments
- one-half of the molecules with two parental strands and one-half of the molecules with two new strands
What is a replication fork?
What is a replication fork?
- The site of DNA binding
- A place to bind the unpaired DNA strands to stabilize them
- A place in the cell that adds new nucleotides to a preexisting chain
- Y-shaped region where the parental strands of DNA are being unwound (correct)
What was the overall conclusion of the Hershey-chase experiment?
What was the overall conclusion of the Hershey-chase experiment?
- DNA was responsible for heredity (correct)
- The ratio of Adenine to thymine was always the same
- Phage DNA was similar to bacterial DNA
- Proteins and DNA were responsible for heredity
What is the function of DNA polymerase III?
What is the function of DNA polymerase III?
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Which of the following RNAs contains both a 7-Methyl guanosine triphosphate cap and polyadenylate segment?
Which of the following RNAs contains both a 7-Methyl guanosine triphosphate cap and polyadenylate segment?
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Study Notes
DNA Replication
- Semiconservative replication of DNA results in progeny DNA molecules consisting of one parental strand and one new strand.
Replication Fork
- A replication fork is a Y-shaped region where the parental strands of DNA are being unwound.
Hershey-Chase Experiment
- The overall conclusion of the Hershey-Chase experiment is that DNA is responsible for heredity.
DNA Polymerase III
- DNA polymerase III adds nucleotide pairs to the growing DNA strand.
mRNA Characteristics
- mRNA contains both a 7-Methyl guanosine triphosphate cap and a polyadenylate segment.
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Description
Test your knowledge of DNA replication, including semiconservative replication, replication forks, and the Hershey-Chase experiment.
