Amino acids and proteins

What are biomolecules?

• Carbohydrate

• Lipid

• Amino acid

• Neurotransmitter

These are major components of protein EXCEPT

• nitrogen

• sulphur

• carbon

• oxygen

Two of the meatless protein sources are

• bread

• rice

• beans

• broccoli

General structure of amino acids consists of 4 groups.

• True

• False

The groups of general amino acid structure are

• amino group

  COOH group

  hydrogen atom

  side chain (R)

• amino group

  COOH group

  nitrogen atom

  side chain (R)

• amino group

  COOH group

  oxygen atom

  side chain (R)

Name the carbon next to carboxyl group.

Amino acid polar is not able to form hydrogen bond with water.

• True

• False

Aromatic amino acid is

• non-polar

• polar

Amino acid non-polar is

• hydropobic

• hydrophilic

Ketogenic amino acids are

• alanine

• lysine

• leucine

• arginine