UMUC BIOL350 final exam
1. The monomer unit of DNA is:
a. an amino acid
b. a nucleotide
c. a fatty acid
d. glucose
2. Disulfide bridges are a type of covalent bond critical to maintaining the 3dimensional shape of
proteins. The amino acid involved in disulfide bridge formation is:
a. tyrosine
b. arginine
c. cysteine
d. glutamic acid
3. Sister chromatids form:
a. during G1
b. during G2
c. during S phase
d. during M phase
4. In a cell containing 10 chromosomes, mitosis results in the formation of daughter cells
containing __________ chromosomes.
a. 5
b. 10
c. 20
d. 40
1. The monomer unit of DNA is:
a. an amino acid
b. a nucleotide
c. a fatty acid
d. glucose
2. Disulfide bridges are a type of covalent bond critical to maintaining the 3dimensional shape of
proteins. The amino acid involved in disulfide bridge formation is:
a. tyrosine
b. arginine
c. cysteine
d. glutamic acid
3. Sister chromatids form:
a. during G1
b. during G2
c. during S phase
d. during M phase
4. In a cell containing 10 chromosomes, mitosis results in the formation of daughter cells
containing __________ chromosomes.
a. 5
b. 10
c. 20
d. 40
