AP Biology Unit 1: Chemistry of Life Exam Review

Front

What determines the shape of an enzyme/protein?

Back

The amino acid sequence of the protein and the properties of the amino acids that make up the protein.

Front

What are enzymes and hormones examples of?

Back

Proteins.

Front

Which biomolecule is mainly hydrocarbons and very hydrophobic?

Back

Lipid.

Front

What property of water allows molecules to cling together as they move from roots to leaves in plants?

Back

Cohesive behavior.

Front

What is a monosaccharide?

Back

A simple sugar molecule, the most basic form of carbohydrates.

Front

What is the primary function of enzymes in biological systems?

Back

To act as catalysts that speed up chemical reactions.

Front

What is the role of lipids in living organisms?

Back

To store energy, provide insulation, and make up cell membranes.

Front

What is the significance of the pH level in enzyme activity?

Back

Enzymes have optimal pH levels at which they function best; deviations can denature them.

Front

What is a disaccharide?

Back

A carbohydrate formed from two monosaccharides.

Front

What is the difference between saturated and unsaturated fats?

Back

Saturated fats have no double bonds between carbon atoms, while unsaturated fats have one or more double bonds.