Specifically, why is the primer needed in order for DNA ploymerase to start synthesis? A ) primers provide the free OH group needed by DNA polymerase to make the first covalent bond B) to prevent DNA helicase from breaking too many H bonds C) the DNA is in danger of becoming denatured without a primer D) primers provide the free phosphate group needed by DNA polymerase to make the first covalent bond E) primers will provide enough energy to help the reaction occur

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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In DNA replication, RNA primase is used to construct primers which are complementary to the DNA strand. In PCR we include primers that flanks (sits down on either side) the area of the genome we want amplified. A primer is needed in order for DNA polymerase to start the replication process (making covalent bonds between nucleotides). Specifically, why is the primer needed in order for DNA ploymerase to start synthesis? A ) primers provide the free OH group needed by DNA polymerase to make the first covalent bond B) to prevent DNA helicase from breaking too many H bonds C) the DNA is in danger of becoming denatured without a primer D) primers provide the free phosphate group needed by DNA polymerase to make the first covalent bond E) primers will provide enough energy to help the reaction occur
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Always replication, Transcription starts from 5' to 3'. Addition of nucleotide takes place at 3'-OH.

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