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BIO NMDCAT Chromosomes
nmdcat.online July 4, 2026

1. The primary chemical components constituting a eukaryotic chromosome are

A. RNA and structural lipids
B. DNA and histone proteins
✓
C. Polysaccharides and nucleic acids
D. Deoxyribose sugars and free nucleotides

📝 Explanation

Eukaryotic chromosomes are biochemically composed of chromatin material, which primarily consists of deoxyribonucleic acid (DNA) complexed with highly basic histone proteins. Other options represent different cellular macromolecules not forming the core structural composition of chromosomes.

📖 Additional Information

  • RNA and structural lipids
  • DNA and histone proteins
  • Polysaccharides and nucleic acids
  • Deoxyribose sugars and free nucleotides

Eukaryotic chromosomes are biochemically composed of chromatin material, which primarily consists of deoxyribonucleic acid (DNA) complexed with highly basic histone proteins. Other options represent different cellular macromolecules not forming the core structural composition of chromosomes.

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