nmdcat.online
BIO NMDCAT Structure of DNA
nmdcat.online July 3, 2026

1. According to the structural model proposed by Watson and Crick, the two strands of a DNA double helix run

A. Parallel to each other
B. Anti-parallel to each other
✓
C. Perpendicular to each other
D. Radially outward from a core

📝 Explanation

One strand runs in the 5' to 3' direction while its complementary partner runs in the 3' to 5' direction.

📖 Additional Information

  • Parallel to each other
  • Anti-parallel to each other
  • Perpendicular to each other
  • Radially outward from a core

One strand runs in the 5' to 3' direction while its complementary partner runs in the 3' to 5' direction.

🔗 Share This Question

Facebook Twitter LinkedIn WhatsApp

🧭 Navigate Questions

Previous Question

100. The presence of a specialized chromoprotein called bacteriorhodopsin in the purple membranes of Halobacterium salinarum allows this organism to generate a proton gradient. The non-protein prosthetic group retinal is covalently bound to a lysine residue via a

Next Question

2. The nitrogenous base that forms three specific hydrogen bonds with cytosine inside the DNA molecule is

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 →