Both vitamin D and folate levels are affected by UV radiation from sunlight. Which of the following correctly explains the effects of sunlight on these vitamins?
A. Sunlight degrades folate but helps build vitamin D.
B. Sunlight is necessary for both vitamin D and folate formation.
C. Both vitamin D and folate are degraded by UV radiation from sunlight.
D. Sunlight degrades vitamin D but helps build folate.
E. Moderate sunlight is necessary to build both vitamin D and folate, but excess sunlight degrades both.

D) Sunlight degrades folate but helps build vitamin D

Explanation:

When our skin is exposed to sunlight, vitamin D is manufactured from cholesterol in the skin cells of our body as a result of direct hitting of the sun's ultraviolet raysbon our skin which interact with a protein called 7-DHC in the skin and then convert it into a vitamin called "vitamin D3". This vitamin D3 is reffered to as the active form of vitamin D.

vitamin D is very essential in the body because it helps the body to absorb calcium and also help in rapid growth of our bones. Deficiency of vitamin D may cause ricket in children, which is a diseases that makes boned to be soft. or osteomalacia in adults.

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