Biology Quiz

What is an isomer?

• A molecule with the same formula but different structure

• A molecule with a different formula and structure

• A molecule with the same structure and formula

• A molecule with a different formula but same structure

What type of reaction typically builds a polymer?

• Hydrolysis

• Condensation reaction

• Oxidation

• Reduction

Which functional group is known for being hydrophobic?

• Hydroxyl

• Carbonyl

• Methyl

• Amino

What is the general structure of a monosaccharide?

• A long chain of amino acids

• A single sugar unit

• A complex lipid

• A nucleotide

What bond forms between two monosaccharides?

• Peptide bond

• Glycosidic linkage

• Ester bond

• Hydrogen bond

What is the primary structure of a protein?

• The sequence of amino acids

• The 3D shape of the protein

• The interaction between multiple polypeptides

• The folding of the protein

What is the basic structure shared by all amino acids?

• A central carbon, amino group, carboxyl group, and R group

• A central carbon, phosphate group, and R group

• A central carbon, hydroxyl group, and R group

• A central carbon, methyl group, and R group

Where does a peptide bond form?

• Between two nucleotides

• Between two amino acids

• Between two fatty acids

• Between two monosaccharides

What is denaturation?

• The formation of a new protein

• The breakdown of a protein's structure

• The synthesis of a nucleic acid

• The replication of DNA

What is the basic structure of a nucleotide?

• A sugar, phosphate group, and nitrogenous base

• A sugar, amino group, and carboxyl group

• A sugar, lipid, and protein

• A sugar, fatty acid, and glycerol