Colonies of yeast fail to multiply in water, but multiply in sugar solution. Give one reason for this.

Explanation

**Step-by-Step Solution:**

1. **Understanding Yeast**: Yeast is a type of fungus that requires certain conditions to grow and reproduce.

2. **Role of Sugar**: When yeast is placed in a sugar solution, it has access to sugar, which serves as a food source. The yeast cells utilize the sugar to obtain energy necessary for their growth and reproduction.

3. **Energy Requirement**: For any organism, including yeast, energy is essential for metabolic processes, including reproduction. The sugar solution provides this energy.

...