Ch 6Chemistry of Life Review

Front

What does the lock-and-key model of enzyme function illustrate?

Back

The precise fit with a particular substrate.

Front

What makes carbon unique in chemistry?

Back

Carbon's bonding properties.

Front

What is the attraction among molecules of different substances called?

Back

Adhesion.

Front

What is the polarity of water molecules?

Back

The oxygen side is slightly negative and the hydrogen side is slightly positive.

Front

What property of water requires a high amount of energy to change its temperature?

Back

High heat capacity.

Front

Define enzyme.

Back

A protein that acts as a catalyst to speed up chemical reactions in the body.

Front

What is cohesion?

Back

The attraction between molecules of the same substance.

Front

What is the universal solvent?

Back

Water, because it can dissolve many substances.

Front

What is a substrate in the context of enzymes?

Back

The reactant that an enzyme acts upon.

Front

What is the role of hydrogen bonds in water?

Back

They contribute to water's unique properties, such as high surface tension.