Biology Basics: Water and Cells

Front

Polarity

Back

A positive side and a negative side

Front

Cohesion

Back

Attraction between water molecules

Front

Adhesion

Back

Attraction between water and other substances

Front

Surface tension

Back

Water's surface resists external force

Front

High specific heat

Back

Water absorbs heat without large temperature change

Front

Solvent properties

Back

Water dissolves many substances

Front

Cell membrane structure

Back

Phospholipid bilayer

Front

Hydrophilic head

Back

Attracted to water

Front

Hydrophobic tail

Back

Repels water

Front

Passive transport

Back

Movement without energy