Proteins QB Set 1

The primary structure of a protein is held together by:

• hydrogen bonds

• ionic bonds

• glycosidic bonds

• peptide bonds

Amino acids that must come from your diet are called

• essential

• necessary

• mandatory

• exclusive

In a basic solution, amino acids tend to have a ___ charge:

• positive

• negative

• neutral

• uncharged

What are the building blocks of proteins called?

• Fatty acids

• Amino acids

• Monosaccharides

• Carboxyls

A small chain of amino acids is called a

• side chain

• peptide

• fatty acid

• muscle

Where does protein digestion begin?

• Mouth

• Esophagus

• Stomach

• Small intestine

Of the common amino acids, how many are considered essential?

• 4

• 9

• 12

• 16

Which of the following amino acids are essential?

• proline

• alanine

• lysine

• serine

Which amino acid is NOT an essential amino acid?

• lysine

• methionine

• aspartic Acid

• tryptophan

How many different types of amino acid are used to make proteins?

• 4

• 20

• 23

• 38