MCB 150 - Unit 1, Practice Exam Questions With Complete
Solutions
A. deoxyribonucleoside monophosphate. Correct Answers If
you were told that the region of this molecule labeled (B) was
deoxyribose, the most specific name for the entire molecule
would be:
A. deoxyribonucleoside monophosphate.
B. nucleotide.
C. ribonucleoside triphosphate.
D. ribonucleoside monophosphate.
E. dNTP.
A. glycoprotein. Correct Answers The structure labeled (D) is
most specifically referred to as a:
A. glycoprotein.
B. steroid.
C. glycolipid.
D. peripheral membrane protein.
E. phospholipid.
A. glycosidic linkage. Correct Answers If the circularized form
of the molecule shown in the previous question became
covalently attached to another monomer of the same type, the
covalent bond between them would most accurately be referred
to as a(n):
A. glycosidic linkage.
B. phosphodiester linkage.
,C. peptide linkage.
D. ester linkage.
E. disulfide linkage.
A. i= d; ii = b; iii = a; iv = c Correct Answers Match the
disaccharide with the appropriate description.
i. sucrose
ii. maltose
iii. lactose
iv. cellobiose
a. glucose linked to galactose
b. two glucoses linked via an α-1,4 covalent bond
c. two glucoses linked via a β-1,4 covalent bond
d. glucose linked to fructose
A. i= d; ii = b; iii = a; iv = c
B. i= a; ii = b; iii = d; iv = c
C. i= d; ii = c; iii = a; iv = b
D. i= b; ii = a; iii = c; iv = b
E. i= a; ii = c; iii = d; iv = d
A. random coiled regions. Correct Answers Portions of a
polypeptide's primary sequence which do not adopt any
elements of secondary structure are most accurately referred to
as:
A. random coiled regions.
B. prions.
C. subunits.
D. DNA binding motifs.
E. sub-domains.
, A. True Correct Answers True or False: A typical eukaryotic
cell has a smaller surface area-to-volume ratio than a typical
prokaryotic cell.
A. True
B. False
A. True Correct Answers True or False: In comparing the wild-
type prion protein with the misfolded version, all of the peptide
bonds are the same but some of the hydrogen bonds within the
peptide backbones differ.
A. True
B. False
A. Y>Z>X Correct Answers Which one of the following
options most accurately identifies the relative strengths under
normal physiological conditions of the stabilizing forces shown
above? [For example, if hypothetical stabilizing force 'A' was
stronger than hypothetical stabilizing force 'B,' it would be
shown as A > B.]
A. Y>Z>X
B. Z>W>Y
C. Y>W>Z
D. W>X>Z
E. X>Y>Z
Solutions
A. deoxyribonucleoside monophosphate. Correct Answers If
you were told that the region of this molecule labeled (B) was
deoxyribose, the most specific name for the entire molecule
would be:
A. deoxyribonucleoside monophosphate.
B. nucleotide.
C. ribonucleoside triphosphate.
D. ribonucleoside monophosphate.
E. dNTP.
A. glycoprotein. Correct Answers The structure labeled (D) is
most specifically referred to as a:
A. glycoprotein.
B. steroid.
C. glycolipid.
D. peripheral membrane protein.
E. phospholipid.
A. glycosidic linkage. Correct Answers If the circularized form
of the molecule shown in the previous question became
covalently attached to another monomer of the same type, the
covalent bond between them would most accurately be referred
to as a(n):
A. glycosidic linkage.
B. phosphodiester linkage.
,C. peptide linkage.
D. ester linkage.
E. disulfide linkage.
A. i= d; ii = b; iii = a; iv = c Correct Answers Match the
disaccharide with the appropriate description.
i. sucrose
ii. maltose
iii. lactose
iv. cellobiose
a. glucose linked to galactose
b. two glucoses linked via an α-1,4 covalent bond
c. two glucoses linked via a β-1,4 covalent bond
d. glucose linked to fructose
A. i= d; ii = b; iii = a; iv = c
B. i= a; ii = b; iii = d; iv = c
C. i= d; ii = c; iii = a; iv = b
D. i= b; ii = a; iii = c; iv = b
E. i= a; ii = c; iii = d; iv = d
A. random coiled regions. Correct Answers Portions of a
polypeptide's primary sequence which do not adopt any
elements of secondary structure are most accurately referred to
as:
A. random coiled regions.
B. prions.
C. subunits.
D. DNA binding motifs.
E. sub-domains.
, A. True Correct Answers True or False: A typical eukaryotic
cell has a smaller surface area-to-volume ratio than a typical
prokaryotic cell.
A. True
B. False
A. True Correct Answers True or False: In comparing the wild-
type prion protein with the misfolded version, all of the peptide
bonds are the same but some of the hydrogen bonds within the
peptide backbones differ.
A. True
B. False
A. Y>Z>X Correct Answers Which one of the following
options most accurately identifies the relative strengths under
normal physiological conditions of the stabilizing forces shown
above? [For example, if hypothetical stabilizing force 'A' was
stronger than hypothetical stabilizing force 'B,' it would be
shown as A > B.]
A. Y>Z>X
B. Z>W>Y
C. Y>W>Z
D. W>X>Z
E. X>Y>Z
