Transfer of energy in animal cell is in the form of ATP.

Explanation

**Step-by-Step Solution:**

1. **Understanding the Question**: The question states that the transfer of energy in animal cells occurs in the form of ATP. We need to confirm if this statement is true and explain why.

2. **Defining ATP**: ATP stands for adenosine triphosphate. It is a nucleotide that serves as a primary energy carrier in cells.

3. **Role of ATP in Energy Transfer**: ATP captures and stores chemical energy obtained from the breakdown of food molecules. When food is metabolized, energy is released, which is then captured by ATP.

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