Podcast
Questions and Answers
What is the function of DNA polymerase I in DNA replication?
What is the function of DNA polymerase I in DNA replication?
- Detects and repairs DNA damage
- Cuts and rejoins the helix to prevent tangling
- Adds nucleotides to the freshly built DNA strand
- Removes the RNA primer and replaces it with DNA (correct)
What is a characteristic of euchromatin?
What is a characteristic of euchromatin?
- Contains histones bunched in groups called nucleosomes
- Extremely tight genetic material with inactive genes
- Synthesized continuously in the leading strand
- Extremely loose genetic material (correct)
What enzyme is responsible for unwinding the double helix in DNA replication?
What enzyme is responsible for unwinding the double helix in DNA replication?
- DNA polymerase I
- Topoisomerase
- RNA primase
- Helicase (correct)
What do telomeres refer to in the context of DNA replication?
What do telomeres refer to in the context of DNA replication?
How is the semi-conservative model of DNA replication supported?
How is the semi-conservative model of DNA replication supported?
In what form is genetic material packaged in heterochromatin?
In what form is genetic material packaged in heterochromatin?
What type of sugar is found in a nucleotide of DNA?
What type of sugar is found in a nucleotide of DNA?
Which of the following bases are purines in DNA?
Which of the following bases are purines in DNA?
How do purines and pyrimidines pair in DNA?
How do purines and pyrimidines pair in DNA?
What technique did Rosalind Franklin use in discovering the double helix structure of DNA?
What technique did Rosalind Franklin use in discovering the double helix structure of DNA?
In DNA, where does the 5' end get its name from?
In DNA, where does the 5' end get its name from?
How are complementary strands oriented in DNA?
How are complementary strands oriented in DNA?
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