Define the term bioenergetics.

Explanation

**Step-by-Step Solution:**

1. **Definition of Bioenergetics**: Bioenergetics is a branch of biology that studies the energy transformations that occur within living cells.

*Hint: Think about how energy is used and transformed in biological systems.*

2. **Focus on Chemical Reactions**: The study of bioenergetics primarily involves understanding the chemical reactions that take place in cells. These reactions are crucial for the functioning of living organisms.

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