B12 Bioc (4) Protein and nucleic acids

What is the name of the functional group -COOH?

• Amino group

• Carboxyl group

• R group

• Phosphate group

What is the name of the functional group -NH₂?

• Amino group

• Carboxyl group

• Nitrogenous base

• Disulfide group

An -NH₂ group accepts an H⁺ from water to become -NH₃. The solution becomes

• More acidic

• More basic

• Neutral

The unique side chain of an amino acid is called the

• Carboxyl

• 5-carbon sugar

• R group

• Unknown group

How many amino acids are there?

• 3

• 20

• 15

• 46

What category would you place this amino acid into?

• Uncharged polar

• Non-polar

• Charged polar

What category would you place this amino acid into?

• Uncharged polar

• Non-polar

• Charged polar

What category would you place this amino acid into?

• Uncharged polar

• Non-polar

• Charged polar

Peptide bonds form between

• Amino and carboxyl groups

• Amino and R groups

• Carboxyl and R groups

• R groups and other R groups

What side of a polypeptide will additional amino acids be able to bind at

• R-terminal side

• N-terminal side

• C-terminal side

• P-terminal side