Podcast
Questions and Answers
What enzyme is responsible for unwinding the DNA double helix during replication?
What enzyme is responsible for unwinding the DNA double helix during replication?
- Helicase (correct)
- Primase
- RNA polymerase
- DNA ligase
Which enzyme is involved in the synthesis of RNA primers during DNA replication?
Which enzyme is involved in the synthesis of RNA primers during DNA replication?
- Polymerase III
- Primase (correct)
- Helicase
- DNA ligase
What is the main function of DNA ligase in DNA replication?
What is the main function of DNA ligase in DNA replication?
- Synthesizing RNA primers
- Unwinding the DNA double helix
- Joining Okazaki fragments on the lagging strand (correct)
- Proofreading newly synthesized DNA
During DNA replication, which enzyme is responsible for adding nucleotides to the growing DNA strand?
During DNA replication, which enzyme is responsible for adding nucleotides to the growing DNA strand?
Which enzyme is responsible for unwinding the DNA double helix during replication?
Which enzyme is responsible for unwinding the DNA double helix during replication?
What is the main function of DNA polymerase III in DNA replication?
What is the main function of DNA polymerase III in DNA replication?
What is the role of DNA ligase in DNA replication?
What is the role of DNA ligase in DNA replication?
During DNA replication, what is the function of RNA polymerase?
During DNA replication, what is the function of RNA polymerase?
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Study Notes
DNA Replication Enzymes
- Helicase is responsible for unwinding the DNA double helix during replication.
- Primase is the enzyme involved in the synthesis of RNA primers during DNA replication.
- The main function of DNA ligase in DNA replication is to seal gaps in the sugar-phosphate backbone of DNA by forming phosphodiester bonds.
- DNA polymerase III is responsible for adding nucleotides to the growing DNA strand during replication.
- Helicase is responsible for unwinding the DNA double helix during replication, creating a replication fork.
- The main function of DNA polymerase III in DNA replication is to synthesize new DNA strands by adding nucleotides to the growing DNA strand.
- DNA ligase plays a crucial role in DNA replication by sealing gaps in the sugar-phosphate backbone of DNA, forming phosphodiester bonds.
- RNA polymerase is not directly involved in DNA replication; it is responsible for transcribing DNA into RNA molecules.
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