Multiple Choice
If DNA repair mechanisms were perfect, which of the following would most likely be true?
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17. Mutation, Repair, and Recombination
DNA Repair
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Which of the following best describes how DNA is stored for short-term usage within a eukaryotic cell?
A
DNA is packaged into ribosomes for temporary storage.
B
DNA is converted into RNA and stored in the nucleolus.
C
DNA is broken down into nucleotides and stored in the cytoplasm.
D
DNA is wrapped around histone proteins to form nucleosomes.
Verified step by step guidance1
Understand that DNA in eukaryotic cells is not stored freely but is organized to fit inside the nucleus efficiently while still being accessible for processes like transcription.
Recall that histone proteins are key structural proteins around which DNA winds, forming a complex called a nucleosome.
Recognize that nucleosomes serve as the fundamental units of chromatin, which is the form DNA takes for packaging within the nucleus.
Note that this packaging allows DNA to be compacted for storage but also accessible for short-term usage such as gene expression.
Conclude that the best description of short-term DNA storage in eukaryotic cells is DNA wrapped around histone proteins forming nucleosomes.
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