nmdcat.online
BIO NMDCAT Conjugated molecules
nmdcat.online July 3, 2026

41. The architectural arrangement of eukaryotic chromatin reveals that the interaction between DNA and histone proteins is primarily driven by

A. Covalent peptide linkage
B. Electrostatic attraction between opposite charges
✓
C. Hydrophobic exclusion principles
D. Sharing of electrons between aromatic rings

📝 Explanation

Positively charged basic amino acids (lysine and arginine) on histones bind strongly to the negatively charged phosphates of the DNA molecule.

📖 Additional Information

  • Covalent peptide linkage
  • Electrostatic attraction between opposite charges
  • Hydrophobic exclusion principles
  • Sharing of electrons between aromatic rings

Positively charged basic amino acids (lysine and arginine) on histones bind strongly to the negatively charged phosphates of the DNA molecule.

🔗 Share This Question

Facebook Twitter LinkedIn WhatsApp

🧭 Navigate Questions

Previous Question

40. The degradation of structural glycolipids inside the lysosome requires specific enzymes; a hereditary deficiency of hexosaminidase A leads to the buildup of GM2 gangliosides, causing

Next Question

42. The type of conjugated molecule that acts as a structural barrier in the cell walls of certain algae, combining silicon with a organic matrix, is a

Back to All Questions

🔗 Related MCQs

An increase in the incidence of ectopic pregnancies within a population can often be epidemiologically correlated with a prior increase in the prevalence of which sexually transmitted disease?
July 16, 2026
In the life cycle of Herpes Simplex Virus 2 (HSV-2), the virus travels along nerve fibers to reach the sensory ganglia. The cellular mechanism responsible for this retrograde transport utilizes:
July 16, 2026
A defining characteristic of the lesions associated with the secondary stage of syphilis is that they:
July 16, 2026
The causative agent of genital herpes, HSV-2, is enveloped. The biological significance of this viral envelope in the context of transmission is that it makes the virus:
July 16, 2026
The structural basis for the severe cardiovascular complications seen in tertiary syphilis, such as aortic aneurysms, is the chronic inflammation and destruction of:
July 16, 2026

Categories

View all →