What are the major harms caused by vitamin a deficiency, Biology

Assignment Help:

Q. What are the major harms caused by vitamin A deficiency? How does this vitamin act in the physiology of vision?

Deficiency of vitamin A (retinol) may corneal dryness (xerophthalmia), cause night blindness and predisposition to skin injuries.

In the physiology of vision vitamin A participates in the formation of rhodopsin a pigment responsible for the visual perception in less illuminated places. Nutrition Vitamins - Image Diversity: vitamin A deficiency.


Related Discussions:- What are the major harms caused by vitamin a deficiency

Explain the reproductive system, Explain the Reproductive System? The h...

Explain the Reproductive System? The human reproductive system produces not only reproductive organs and gametes, but also sex hormones, which have far-reaching effects on huma

What are alkalosis and acidosis, Q. What are alkalosis and acidosis? Ac...

Q. What are alkalosis and acidosis? Acidosis is the condition in which the blood pH is abnormally low Alkalosis is the condition in which the blood pH is abnormally high Normal

Illustrate theory of goldman in corneal transparency, Illustrate the theory...

Illustrate the theory of Goldman according to corneal transparency. Goldman's Theory: The fibrils are small in relation to light and do not interfere with light transmissi

What is kingdom protista in diversity of life, What is Kingdom Protista in ...

What is Kingdom Protista in diversity of life? Members of Kingdom Protista are grouped separately from the other eukaryotic kingdoms because most of the organisms have a unicel

Enzymology, please i want detailed explanation on the mechanism of enzyme c...

please i want detailed explanation on the mechanism of enzyme catalysis

Explain disease typhoid, Explain disease typhoid Typhoid is often call...

Explain disease typhoid Typhoid is often called enteric  fever because the infection or bacteria is found in the intestines and attaches itself to the epithelium of  the intes

Define the term diffusion, Define the terms diffusion, osmosis and filtrati...

Define the terms diffusion, osmosis and filtration. Explain why each process is important for the human body.

Describe how micrornas are able to influence gene expression, 1. Transcript...

1. Transcriptional analyses of eukaryotic cells reveal widespread production of RNA. Using specific examples describe how: a) microRNAs are able to influence gene expression.

Osmoregulation in protozoans, Osmoregulation in Protozoans Osmoregulat...

Osmoregulation in Protozoans Osmoregulation or water balance in protozoa is accomplished by contractile vacuoles. One to several contractile vacuoles may be present within the

Explain arthritis, Explain Arthritis Arthritis - Oral therapy with doxy...

Explain Arthritis Arthritis - Oral therapy with doxycycline or amoxicillin for 28 days is usually effective for treatment of Lyme arthritis. Patients who have not responded to

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd