alleryStart learning →What is chromatin, and where is it found?
ADNA with ribosomal RNA, found in prokaryotes only
BRNA with histone proteins, found in every living cell
CDNA with histone proteins, found in eukaryotic cells
DDNA with histone proteins, found in prokaryotes only
Answer & Solution
Correct answer: C. DNA with histone proteins, found in eukaryotic cells
1. In eukaryotic cells, DNA forms a complex with histone proteins.
2. That complex is chromatin, the substance of eukaryotic chromosomes.
3. Prokaryotes do not form this complex, so the options placing chromatin in prokaryotes are wrong.
4. The nucleic acid in the complex is DNA rather than RNA.
5. A single chromosome built from chromatin may contain tens of thousands of genes.
_Source: OpenStax Biology (1st ed., CC BY 4.0), Ch 3 "Biological Macromolecules", section 3.5 Nucleic Acids_
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