Methylation Vitamin H is also known as ?
**Core Concept**
Methylation is a crucial biochemical reaction in the body that involves the transfer of a methyl group from one molecule to another. Vitamin H, also known as Biotin, plays a vital role as a coenzyme in these methylation reactions. It is essential for various metabolic processes, including carboxylation reactions, fatty acid synthesis, and energy production.
**Why the Correct Answer is Right**
Vitamin H, or Biotin, acts as a coenzyme for the enzyme carboxylase, which is involved in the synthesis of fatty acids and gluconeogenesis. The methyl group is transferred from one molecule to another through a series of enzyme-catalyzed reactions. Biotin is essential for the proper functioning of these enzymes, and its deficiency can lead to various metabolic disorders. The correct answer is Biotin because it is directly involved in methylation reactions.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because Vitamin B12 is involved in the metabolism of fatty acids and amino acids but is not directly related to methylation reactions.
**Option B:** This option is incorrect because Vitamin B6, or Pyridoxine, plays a role in amino acid metabolism and neurotransmitter synthesis but is not directly involved in methylation reactions.
**Option C:** This option is incorrect because Folic acid is involved in the synthesis of nucleic acids and amino acid metabolism but is not directly related to methylation reactions.
**Clinical Pearl / High-Yield Fact**
Biotin deficiency can lead to skin rashes, hair loss, and neurological symptoms. It is essential to maintain adequate levels of Biotin through a balanced diet or supplements to prevent these disorders.
**Correct Answer: D. Biotin**