Multiple choice

Which of the following is synthesised in G1 phase?

  1. DNA polymerase

  2. Histones

  3. Nucleolar DNA

  4. Tubulin protein

  5. -
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A Correct answer
Explanation

The G1 phase, or Gap 1 phase, is the first of four phases of the cell cycle that take place in eukaryotic cell division. In this part of interphase, the cell synthesises mRNA and proteins in preparation for subsequent steps that lead to mitosis. DNA polymerase is a protein. This is synthesised in the G1 phase.

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