Biology CLEP Prep Practice Exam 2025 - Free Biology CLEP Practice Questions and Study Guide

Question: 1 / 400

How is DNA replicated during mitosis?

DNA synthesis subdivides its own strands.

DNA strands are pulled apart.

During mitosis, DNA is replicated through a process known as DNA replication. DNA strands, which are normally tightly wound and connected to various histone proteins, are first unravelled. This is referred to as DNA denaturation. Following this, the two strands of the DNA molecule are separated and act as templates for the synthesis of new DNA strands. This process is known as DNA synthesis or DNA replication. Option A is incorrect because DNA does not subdivide its own strands, it is the enzymes involved in DNA replication that perform this task. Option C is also incorrect because the DNA strands do not reform, instead, new DNA strands are synthesized from the original templates. Option D is incorrect because DNA does not disassemble protein structures during mitosis, it is instead, the histone proteins that are released and reformed.

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DNA strands separate and are reformed.

DNA strands disassemble protein structures and are reformulated.

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