Yeast is important source of

Options

A. vitamin C
B. riboflavin
C. sugars
D. proteins

Answer

**Step-by-Step Solution:**

1. **Identify the Organism**: Yeast is a unicellular organism, specifically a eukaryotic microorganism. This means it consists of a single cell with a defined nucleus.

2. **Nutritional Content**: Yeast is known to be a significant source of certain vitamins, particularly riboflavin, which is also referred to as Vitamin B2. It is important to note that riboflavin is a water-soluble vitamin.

3. **Distinguish Other Nutrients**: While yeast is a source of riboflavin, it is not a source of Vitamin C, sugars, or proteins. Vitamin C is typically obtained from citrus fruits, sugars from various dietary sources, and proteins from different food groups.

4. **Role in Fermentation**: Yeast plays a crucial role in the fermentation process. It is responsible for the anaerobic breakdown of sugars into alcohol and carbon dioxide, which is essential in the production of alcoholic beverages.

5. **Application in Industries**: The carbon dioxide produced during fermentation is utilized in the baking industry. It helps in leavening dough, contributing to the fluffiness of baked goods such as bread and cakes.

6. **Conclusion**: Therefore, the important source provided by yeast is riboflavin (Vitamin B2).

**Final Answer**: Yeast is an important source of riboflavin (Vitamin B2).

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