AP Biology: Unit 1 Review (CED)

Front

What macromolecule(s) contain nitrogen?

Back

Proteins and Nucleic Acids.

Front

Describe the orientation of phospholipids in a membrane.

Back

Phospholipids orient in a bilayer with hydrophilic heads on the exterior.

Front

Which macromolecule(s) contain phosphorus?

Back

Nucleic Acids.

Front

What are the components of a protein monomer?

Back

Amine Group, R Group, and Carboxyl Group. (Nitrogenous Base is NOT a component.)

Front

What type of bond connects amino acids in a protein?

Back

Peptide bonds.

Front

What is the primary structure of a protein?

Back

The sequence of amino acids linked by peptide bonds.

Front

What is the secondary structure of a protein?

Back

The folding or coiling of the polypeptide chain into alpha helices or beta sheets.

Front

What is the tertiary structure of a protein?

Back

The overall 3D shape of a polypeptide, determined by interactions among R groups.

Front

What is the quaternary structure of a protein?

Back

The arrangement of multiple polypeptide chains into a single functional unit.

Front

What is a macromolecule?

Back

A large molecule composed of thousands of atoms, such as proteins, nucleic acids, carbohydrates, and lipids.