Brewer's Yeast is

Options

A. Saccharomyces cariocanus
B. Saccharomyces florentinus
C. Saccharomyces cerevisiae
D. Saccharomyces spencerorum

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for the scientific name of Brewer's yeast from the given options.

2. **Identifying the Options**: The options provided are:
- A. Saccharomyces carlsbergensis
- B. Saccharomyces florentinus
- C. Saccharomyces cerevisiae
- D. Saccharomyces spensonronum

3. **Knowledge of Brewer's Yeast**: Brewer's yeast is commonly known for its role in the fermentation process, specifically in the production of ethanol from glucose.

4. **Recalling the Scientific Name**: The scientific name for Brewer's yeast is well-known in biology and microbiology. It is recognized as Saccharomyces cerevisiae.

5. **Confirming the Role of Saccharomyces cerevisiae**: Saccharomyces cerevisiae is used in brewing beer and baking bread due to its ability to ferment sugars into alcohol and carbon dioxide. This process is known as fermentation.

6. **Final Answer**: Based on the above information, the correct answer to the question is:
- C. Saccharomyces cerevisiae