What are triglycerides .

Explanation

**Step-by-Step Solution:**

1. **Understanding Lipids**: Start by recognizing that triglycerides are a type of lipid. Lipids are organic compounds that are insoluble in water but soluble in organic solvents. They are essential for various biological functions.

2. **Components of Triglycerides**: Triglycerides are composed of two main components: fatty acids and glycerol.

3. **Fatty Acids**: Fatty acids are long hydrocarbon chains that end with a carboxyl group (-COOH). They can vary in length, typically ranging from 1 to 20 carbon atoms. The general formula for a fatty acid can be represented as R-COOH, where R is the hydrocarbon chain.

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