Multiple Choice
During the mitotic cell cycle, how many times is the genome (DNA) replicated before a cell completes mitosis?
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16. Cell Division
DNA Replication
Multiple Choice
In the context of DNA replication, what term best describes the copying process by which a cell duplicates its DNA before cell division?
A
Semiconservative replication
B
Translation
C
Homologous recombination
D
Transcription
Verified step by step guidance1
Understand the context: DNA replication is the process by which a cell duplicates its DNA before cell division to ensure each daughter cell receives an identical copy.
Recall the types of DNA copying mechanisms: consider terms like semiconservative replication, translation, homologous recombination, and transcription, and what each process involves.
Define semiconservative replication: it is the process where each of the two new DNA molecules contains one original (parental) strand and one newly synthesized strand.
Compare other options: translation is the process of synthesizing proteins from mRNA; homologous recombination is a DNA repair and genetic recombination process; transcription is the synthesis of RNA from DNA.
Conclude that the term best describing the DNA copying process before cell division is semiconservative replication because it accurately describes the mechanism of DNA duplication.
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