McqMate
| Q. |
A vitamin requires cobalt for its activity. The vitamin is - |
| A. | Vitamin B12 |
| B. | Vitamin D |
| C. | Vitamin B2 |
| D. | Vitamin A |
| Answer» A. Vitamin B12 | |
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Explanation: Vitamin B12, vitamin B1, or vitamin B12, also called cobalarnin, is a water- soluble vitamin with a key role in the normal functioning of the brain and nervous system, and for the formation of blood. It is one of the eight B vitamins. It is normally involved in the metabolism of every cell of the human body, especially affecting DNA synthesis and regulation, but also fatty acid synthesis and energy production. Vitamin B12 consists of a class of chemically related compounds (vitamers), all of which have vitamin activity. It contains the biochemically rare element cobalt. |
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