nmdcat.online
BIO NMDCAT Receptors
nmdcat.online July 7, 2026

In the retina, the visual pigment rhodopsin relies heavily on the dietary intake of

A. Vitamin C
B. Vitamin K
C. Vitamin A
✓
D. Vitamin D

📝 Explanation

Rhodopsin consists of opsin protein bound to retinal. Retinal is a light-absorbing molecule synthesized directly from Vitamin A (retinol). Vitamin A deficiency leads to night blindness.

📖 Additional Information

  • Vitamin C
  • Vitamin K
  • Vitamin A
  • Vitamin D

Rhodopsin consists of opsin protein bound to retinal. Retinal is a light-absorbing molecule synthesized directly from Vitamin A (retinol). Vitamin A deficiency leads to night blindness.

🔗 Share This Question

Facebook Twitter LinkedIn WhatsApp

🧭 Navigate Questions

Previous Question

During sensory transduction, a generator potential that reaches threshold directly triggers

Next Question

Regarding pain reception, the sensation of fast, sharp, and highly localized pain is transmitted to the CNS by

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 →