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High School Biology: The Chemistry of Life (Fill in the blank)
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High School Biology: The Chemistry of Life (Fill in the blank)
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10 Questions

1. A(n) ____________ is a protein that speeds up a biochemical reaction.

2. A chemical ____________ is a force that holds together the atoms in a molecule.

3. A substance that results from a chemical reaction is a(n) ____________.

4. Endothermic reactions in organisms are called ____________ reactions.

5. Exothermic reactions in organisms are called ____________ reactions.

6. The type of bond that forms between water molecules is a(n) ____________ bond.

7. A difference in electrical charge between two parts of the same molecule is termed ____________.

8. The pH of water is ____________.

9. A substance that starts a chemical reaction is a(n) ____________.

10. A chemical ____________ is a process that changes some chemical substances into others.

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