Biotin corresponds to which vitamin number in the B-vitamin series?

Biotin is recognized as Vitamin B-7 in the B-vitamin series. Each of the B vitamins is assigned a number based on their discovery and characterization. Biotin specifically plays a critical role in various metabolic processes, including the metabolism of carbohydrates, fats, and amino acids. It is also essential for the synthesis of fatty acids and glucose. The other vitamins listed in the options correspond to different components of the B-vitamin complex, such as riboflavin for B-2, thiamine for B-1, and pantothenic acid for B-5, each of which has its unique functions and benefits in the body. Understanding the specific number associated with biotin helps in recognizing its significance among the B vitamins.