DNA po?ymerase is a transferase which catalyzes the addition of nucleotides to a
ID: 3165779 • Letter: D
Question
DNA po?ymerase is a transferase which catalyzes the addition of nucleotides to a growing nucleic acid strand. The image below represents the reaction by which a nucleotide added to a growing chain. If the nucleotide identified as #1 is the first nucleotide added by DNA polymer ae, what must be true about the yellow box? Base Oll Base 2 the sequence of nucleotides gets removed by DNA polymerase I on the lagging strand th a ribose from the yellow box must contain a free 3-OH group it is a short strand of RNA nuclootides called a primer ? the nucleotides in the sequence are dATP, dGTP, dCTP and dTTP n the ribose sugars contain 2-hydroxyl groups ??? ?1 ??11????^Explanation / Answer
It is a short strand of RNA nucleotides called Primer
A primer is a short strand of RNA or DNA (generally about 18-22 bases) that serves as a starting point for DNA synthesis. It is required for DNA replication because the enzymes that catalyze this process, DNA polymerases, can only add new nucleotides to an existing strand of DNA.
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