Chem 365- Exam 1- Practice Multiple Choice Questions with answers Graded A+

Chem 365 Exam 1 Practice Multiple
Choice Questions

b) Amino acids are the building blocks of proteins. Amino acids make up a polypeptide
chain, and more than one polypeptide chain makes up a protein. - answersThe
monomers used to synthesize proteins are called:
a) Nucleotides
b) Amino acids
c) Fatty acids
d) Sugars
e) Glycerol

d) Proteins - answersAmino acids are the building blocks of:
a) Carbohydrates
b) Lipids
c) Nucleic acids
d) Proteins

Peptide bond - answersAmino acids are linked by together by what kind of bond?

b) Loss of water - i.e. Condensation - answersA peptide bond formation between 2
amino acids is accompanied by:
a) Addition of water
b) Loss of water

2 - answersHow many peptide bonds are in a tripeptide?

b) Proteins are genetic material in some viruses - answersWhich of the following is
incorrect about proteins:
a) Insulin is a protein hormone
b) Proteins are genetic material in some viruses
c) Collagen is a structural protein
d) A capsid of a virus is made up of proteins

b) Androgen - answersWhich of the following is not a protein?
a) Immunoglobin
b) Androgen
c) Snake venom
d) Collagen

b) Ferittin - answersAll are transport proteins except:
a) Hemoglobin

, b) Ferittin
c) Myoglobin
d) Lipoprotein

b) Proteins - answersWhich biomolecule has the most diversity in its function?
a) Carbohydrates
b) Proteins
c) Lipids
d) Nucleic acids

a) Amino group and carboxyl group - answersAmino acids have both a:
a) Amino group and carboxyl group
b) Amino group and kept group
c) Amino group only
d) Carboxyl group only

c) Glycine - R chain is an H atom (also, not chiral) - answersThe simplest amino acid is:
a) Proline
b) Methionine
c) Glycine
d) Serine

e) A nucleoside contains 2 main things:
1) Sugar (pentose)
2) Base (purine or pyridine) - answersA nucleoside contains:
a) a pentose sugar
b) a purine or pyrimidine base
c) one or more phosphate group
d) all of these
e) a and b, but not c

A nucleotide consists of 3 main things:
1) Sugar (pentose)
2) Base (purine or pyridine)
3) Phosphate group (1 or more) - answersA nucleotide consists of:

b) A pyridine base - answersThe molecule shown in the picture is:
a) Purine base
b) Pyridine base
c) Sugar
d) Fatty acid
e) Amino acid

d) Proline - answersWhich of the following is an "alpha-helix terminator"?
a) Methionine
b) Tyrosine