which substance is most abundant in cell ?

Options

A. carbpohydrates
B. protein
C. water
D. fats

Answer

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks for the most abundant substance in a cell. This could be either an organic or inorganic substance.

2. **Consider the Composition of Cells**: Cells are primarily composed of various substances, including water, proteins, fats, and carbohydrates.

3. **Analyze the Role of Water**: Water is a vital component of cells. It is known to make up about 70% of the total mass of a cell. This high percentage indicates that water is the most abundant substance in cells.

4. **Evaluate Other Substances**:
- **Proteins**: While proteins are crucial organic compounds and play various roles in cellular functions, they constitute a smaller percentage compared to water.
- **Fats**: Fats also have significant roles in providing energy and structural support, but they are less abundant than proteins and water.
- **Carbohydrates**: Carbohydrates are important for energy but are the least abundant among the major biomolecules discussed.

5. **Conclusion**: Based on the analysis, water is identified as the most abundant substance in cells, followed by proteins, fats, and carbohydrates.

**Final Answer**: Water is the most abundant substance in a cell.

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