Histones are linked to:
Correct answer: B. Phosphate of DNA
- A. Nitrogenous base of DNA
- B. Phosphate of DNA
- C. Sugar of DNA
- D. All of these
Explanation
Histones (positively charged proteins) bind with the negatively charged phosphate groups of DNA backbone, helping in packaging DNA into chromatin.
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Animal, plant, prokaryotic and eukaryotic cells are compared through their membranes, cell walls, nuclei and cytoplasmic organelles. The work includes the structures and functions of mitochondria, chloroplasts, ribosomes, endoplasmic reticulum, Golgi apparatus and lysosomes, as well as chromosome organization and the distinction between chromatin and chromosomes.
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