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

Chromolipid, CHROMOLIPID Formed by lipid & pigment, eg. carotene, xanth...

CHROMOLIPID Formed by lipid & pigment, eg. carotene, xanthophylls. Lycopene present in tomato & red chilli. Carrot is rich in b-carotene, converted into vitamin A.

Phylum placozoa, Phylum Placozoa The phylum Placozoa contains a single...

Phylum Placozoa The phylum Placozoa contains a single species of a minute marine animal Trichoplax adharens composed of a dorsal and ventral epithelial layer enclosing loose m

Female reproductive tract, Female Reproductive Tract The female repro...

Female Reproductive Tract The female reproductive tract involves the fallopian tubes, uterus and vagina. Look at diagram. You would notice that the ovaries lay one on each si

Failure mode - lack of osseointegration, Lack of Osseointegration (Indicate...

Lack of Osseointegration (Indicated as Mobility)  Loss of osseointegration can occur during the early stages of treatment because of the inability of the woven bone to interfac

Water of estuaries, Water of Estuaries The water of estuaries is turbi...

Water of Estuaries The water of estuaries is turbid because of the great number of particulates in suspension in the water. The turbidity is minimum near the mouth and increas

What is oxygen-haemoglobin dissociation curve, What is oxygen-haemoglobin d...

What is oxygen-haemoglobin dissociation curve? Explain the role of red blood cells in the transport of oxygen and carbon dioxide by blood. Briefly describe the principle, pr

What type of athlete, What type of athlete would have a above average react...

What type of athlete would have a above average reaction time please explain.

Determine cdna encodes aba 8-hydroxylase activity, Hypothetical question. ...

Hypothetical question. A new biotech company intends to clone the gene encoding the ABA 8-hydroylase enzyme, an important protein regulating plant hormone degradation that control

Explain mixture in basic chemistry, Explain mixture in basic chemistry? ...

Explain mixture in basic chemistry? Mixtures :  Mixtures are produced by combining two or more substances. In contrast to the substances in compounds, the substances that com

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