11.Which of the following properties applies to a dispensable amino : 1401582.
11.Which of the following properties applies to a dispensable amino acid?
a.It is not needed by the body.
b.It can be synthesized by the body.
c.It can be used to synthesize an indispensable amino acid.
d.It cannot be synthesized by the body because of a genetic defect.
12.Which of the following is the primary factor that differentiates one amino acid from another?
a.the side group
b.the central carbon atom
c.the number of oxygen atoms
d.the number of nitrogen atoms
13.Which of the following elements is found in certain amino acids?
a.iron
b.sulphur
c.calcium
d.potassium
14.What amino acid is classified as conditionally essential when dietary intake of phenylalanine is insufficient or the body cannot normally metabolize phenylalanine?
a.cysteine
b.tyrosine
c.glutamine
d.isoleucine
15.How is an essential amino acid distinguished from a non-essential amino acid??
a.It has a branched chain in its side group.
b.It can be made in the body only if a source of nitrogen is present.
c.It is required by the brain..
d.It must be supplied by the diet.
16.When 2 amino acids are chemically joined together, the resulting structure is called which of the following?
a.dipeptide
b.diglyceride
c.polypeptide
d.disaccharide
17.Which of the following combinations represents the composition of a tripeptide?
a.1 amino acid with 3 carbons
b.3 amino acids bonded together
c.1 amino acid with 3 acid groups
d.3 small protein chains bonded together
18.Which of the following factors represents the amino acid sequence of a protein?
a.number of side chains in the protein
b.folding arrangement of the peptide chain
c.order of amino acids in the peptide chain
d.order of only the essential amino acids in the protein
19.In comparison to the well-defined structure of starch, which of the following is the most important factor that allows for the synthesis of thousands of different proteins?
a.number of cell ribosomes
b.number of different amino acids
c.availability of amino acids containing sulphur
d.availability of amino acids containing hydroxyl groups
20.Which of the following, when bonded together, would form a polypeptide?
a.1 amino acid, 2 fatty acids and a glycerol molecule.
b.3 fatty acids
c.10 or more fatty acids
d.20 amino acids
11.Which of the following properties applies to a dispensable amino : 1401582
