What is DNA primase? - ProProfs Discuss
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What is DNA primase?



A. Creates a short RNA primer complementary to the RNA template.
B. Creates a short DNA primer complementary to the RNA template.
C. Creates a short DNA primer complementary to the DNA template.
D. Creates a short template of an RNA primer that is complementary to the DNA primer.
E. Creates a short RNA primer complementary to the DNA template.

This question is part of Chapter 14: DNA: The Genetic Material
Asked by Aggiegal, Last updated: Nov 01, 2019

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2 Answers

A. Lucius

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A. LuciusSenior Content writer, Diploma in Literature, Dover, Delaware
Senior Content writer, Diploma in Literature, Dover, Delaware

Answered on Nov 01, 2019

The correct answer is option E – Creates a short RNA primer complementary to the DNA template. DNA primase is an enzyme that plays a vital role in DNA replication. It is a type of RNA polymerase primase that synthesizes a short sequence of RNA known as primers. Primers serve as the starting point of DNA synthesis in DNA replication.

This initial step is important because DNA polymerase (an enzyme that synthesizes DNA) can synthesize new DNA nucleotides to an already existing nucleotide. The primer serves as the existing g strand of nucleotide in DNA elongation. After the elongation process, the short sequence RNA primer is removed by 5’to 3’ exonuclease, and the region is filled then filled with DNA.

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John Smith

John Smith

Answered on Jun 04, 2017

Creates a short RNA primer complementary to the DNA template.
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