Although DNA and RNA synthesis have many shared features, there is a distinctive
ID: 196010 • Letter: A
Question
Although DNA and RNA synthesis have many shared features, there is a distinctive property in RNA synthesis which is absent in DNA. Which of the following is this?
5' to 3' direction of synthesis
RNA polymerase can begin synthesis of a new RNA strand by first adding nucleoside triphosphate; DNA polymerase requires a primer sequence
New strands are produced by using existing strands as a template
Synthesis requires nucleoside triphosphates as a cellular supply
a.5' to 3' direction of synthesis
b.RNA polymerase can begin synthesis of a new RNA strand by first adding nucleoside triphosphate; DNA polymerase requires a primer sequence
c.New strands are produced by using existing strands as a template
d.Synthesis requires nucleoside triphosphates as a cellular supply
Explanation / Answer
b. RNA polymerase can begin synthesis of a new RNA strand by first adding nucleoside triphosphate; DNA polymerase requires a primer sequence.
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