IB Review: Biomolecules

Front

What part of the amino acid is unique to each amino acid?

Back

R group (side chain)

Front

What are the primary functions of carbohydrates?

Back

Energy and structure.

Front

How many polypeptide chains are present in hemoglobin?

Back

4

Front

What two molecules make up the backbone of the DNA ladder?

Back

Deoxyribose sugar and phosphate.

Front

How many bases are required to code for one amino acid in a polypeptide?

Back

3

Front

What is the basic building block of proteins?

Back

Amino acid.

Front

What type of bond links amino acids together in a protein?

Back

Peptide bond.

Front

What are the four main types of biomolecules?

Back

Carbohydrates, lipids, proteins, and nucleic acids.

Front

What is the primary function of lipids?

Back

Long-term energy storage and insulation.

Front

What is the structure of a nucleotide?

Back

A nucleotide consists of a sugar, a phosphate group, and a nitrogenous base.