Reverse transcriptase is an RNA-dependent DNA polymerase.
正确
举一反三
- Reverse transcriptase A: has 5ˊ → 3ˊ polymerase activity B: has 3ˊ → 5ˊ exonuclease activity C: is an RNA-dependent DNA polymerase D: is a DNA-dependent DNA polymerase
- The enzyme used in the polymerase chain reaction is ( ) A: restriction endonuclease B: reverse transcriptase C: DNA polymerase D: RNA polymerase
- The polymerase which is used in DNA replication is ( ) A: DNA-dependent RNA polymerase B: DNA-dependent DNA polymerase C: RNA-dependent RNA polymerase D: RNA-dependent DNA polymerase E: none of above
- Reverse transcriptase catalyses: A: Synthesis of RNA from DNA B: Breakdown of RNA C: Synthesis of DNA from RNA D: Breakdown of DNA
- Which of the following reactions cannot be catalyzed by reverse transcriptase?() A: RNA→RNA-DNA B: RNA-DNA→DNA C: DNA→DNA-DNA D: DNA→RNA
内容
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A virus with RNA-dependent RNA polymerase A: synthesizes DNA from an RNA template. B: synthesizes double-stranded RNA from an RNA template. C: synthesizes double-stranded RNA from a DNA template. D: transcribes mRNA from DN
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Each RNA polymerase contains subunits with homology to subunits of the E. coli RNA polymerase as well as additional subunits， which are unique to each polymerase.
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Using the DNA template in a process called _______ RNA is synthesized utilizing which enzyme? A: translation, RNA polymerase B: transcription, DNA polymerase C: transcription, RNA polymerase D: replication, DNA polymerase
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reverse transcriptase ______
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Both DNA polymerase and RNA polymerase are needed in DNA replication process.()