What is the role of helicase in DNA replication?
DNA Replication AP Biology

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Science
•
11th Grade - University
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Helicase is the enzyme that unzips the DNA double helix, separating the two strands to allow for replication.
2.
FLASHCARD QUESTION
Front
What is the complementary strand of 5' AGCTAGCTAGCT 3'?
Back
3' TCGATCGATCGA 5'.
3.
FLASHCARD QUESTION
Front
During which phase of the cell cycle does DNA replication occur?
Back
DNA replication occurs during the S phase of the cell cycle.
4.
FLASHCARD QUESTION
Front
What marks the 5' end of a DNA strand?
Back
The 5' end of DNA is marked by a phosphate group.
5.
FLASHCARD QUESTION
Front
Why is DNA replication described as semi-conservative?
Back
DNA replication is semi-conservative because each new DNA molecule consists of one original strand and one newly synthesized strand.
6.
FLASHCARD QUESTION
Front
What is the function of DNA polymerase in replication?
Back
DNA polymerase synthesizes new DNA strands by adding nucleotides complementary to the template strand.
7.
FLASHCARD QUESTION
Front
What are the building blocks of DNA?
Back
The building blocks of DNA are nucleotides, which consist of a phosphate group, a sugar (deoxyribose), and a nitrogenous base.
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