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Questions and Answers
Which statement about base pairing in DNA is correct?
Which statement about base pairing in DNA is correct?
- Thymine always pairs with Cytosine via 3 hydrogen bonds.
- Adenine pairs with Guanine via 2 hydrogen bonds.
- Guanine pairs with Thymine via 3 hydrogen bonds. (correct)
- A small base pairs with a large base to keep the strands far apart.
In double-stranded DNA, the strands run in opposite directions. Which direction does the 5’ end point towards?
In double-stranded DNA, the strands run in opposite directions. Which direction does the 5’ end point towards?
- The 3’ end of the complementary strand. (correct)
- The 3’ end of the same strand.
- The 5’ end of the same strand.
- The 5’ end of the complementary strand.
What enzyme is responsible for unwinding the double helix during DNA replication?
What enzyme is responsible for unwinding the double helix during DNA replication?
- DNA ligase
- Primase
- DNA polymerase
- Helicase (correct)
During DNA replication, which enzyme is responsible for synthesizing short RNA primers?
During DNA replication, which enzyme is responsible for synthesizing short RNA primers?
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What is the function of DNA ligase in DNA replication?
What is the function of DNA ligase in DNA replication?
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Which enzyme is responsible for proofreading and correcting errors in newly synthesized DNA?
Which enzyme is responsible for proofreading and correcting errors in newly synthesized DNA?
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