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Why must DNA be replicated before a cell undergoes mitosis?
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14. DNA Synthesis
Introduction to DNA Replication
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Which of the following is not true about DNA replication?
A
DNA replication requires RNA primers.
B
DNA replication occurs in the 5' to 3' direction.
C
DNA replication is semi-conservative.
D
DNA replication occurs only in the cytoplasm.
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Understand that DNA replication is the process by which a cell duplicates its DNA before cell division.
Recall that DNA replication requires RNA primers to initiate the synthesis of new DNA strands.
Remember that DNA replication occurs in the 5' to 3' direction, meaning that new nucleotides are added to the 3' end of the growing DNA strand.
Know that DNA replication is semi-conservative, meaning each new DNA molecule consists of one old strand and one new strand.
Recognize that DNA replication occurs in the nucleus of eukaryotic cells, not in the cytoplasm, which makes the statement 'DNA replication occurs only in the cytoplasm' incorrect.
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