AP Biology/Unit 1/Note Packet
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Unit 1: Chemistry of Life

AP Biology — Note Packet

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Key Terms

Polarity

Uneven distribution of charges within a molecule.

Hydrogen bond

A weak attraction between a partially positive atom and a partially negative atom (usually oxygen or nitrogen) on another molecule.

Cohesion

Water molecules to other water molecules.

Adhesion

Water molecules sticking to types of molecules.

Specific heat

The amount of energy required to raise the temperature of a substance by a specific .

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