Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Concept explainers

Viral Replication
The virus is acellular and considered non-living outside the host cell. The replication of the virus occurs only inside the living cells. Only a few genes are present in the smallest virus, whereas many genes are present in the largest virus. These genes…
Question

Fill in the blank. As helicase unwinds closed circular DNA, it compensates for positive supercoiling. The stress of this force must be overcome or the replication machinery will be unable to proceed. DNA gyrase, a bacterial __________, is the leading candidate for this role in coli.

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DNA is the genetic material in most living organisms. It is the information hub of the cell that contains instructions for the synthesis of proteins. The central dogma of molecular biology is that DNA undergoes replication to create copies of itself, undergoes transcription to create expressible mRNA and this mRNA undergoes translation so that protein can be formed from the information carried in mRNA.

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