Proteins QB Set 2

Amino acids are composed of _____ basic components.

• 1

• 2

• 3

• 4

Proteins are made from long folded chain molecules called:

• polysaccharides

• polypeptides

• polynucleotides

Which of these is not a protein?

• hemoglobin

• insulin

• myosin

• estrogen

Which substance breaks down the bonds between amino acids?

• Amylase

• Pepsin

• Lipase

• all options

Proteins help keep fluids and pH balanced in the body.

• True

• False

Which of the following is not a component of an amino acid?

• amine group

• carboxyl group

• beta carbon

• side chain

How many amino acids can our body create on its own?

• 4

• 9

• 11

• 16

All these amino acids are essential, except:

• leucine

• alanine

• lysine

• threonine

Which of the following are non-essential amino acids?

• proline

• phenylalanine

• histidine

• threonine

Amino acids contain carbon, hydrogen, oxygen, and:

• nitrogen

• phosphorous

• iron

• magnesium