MCB 150 UIUC EXAM FINAL QUESTIONS
AND CORRECT ANSWERS
\Q\.The designation of an organism as a member of the Archaea would be at which taxonomic
level? - ANSWER-✔Domain
\Q\.Cervids are a family of animals that include deer, elk, reindeer, and moose. If you wanted to
plot the average size of male and female cervids of different species, the most appropriate
graph type to display these data would be a - ANSWER-✔bar graph
\Q\.independent variable is plotted along the ____ axis in bar graphs - ANSWER-✔x
\Q\.the function of the polysaccharide glycogen is - ANSWER-✔energy storage in animals
\Q\.the function of the polysaccharide cellulose is - ANSWER-✔structural role in plants
\Q\.the function of the polysaccharide starch is - ANSWER-✔energy storage in plants
\Q\.the function of the polysaccharide chitin is - ANSWER-✔structural role in animals
\Q\.A single polypeptide can have different functional domains. - ANSWER-✔true
\Q\.A single type of functional domain can be found in different polypeptides. - ANSWER-✔true
,\Q\.Identify if each structure is typically found in DNA only, RNA only, or both DNA and RNA:
deoxyribose and thymine - ANSWER-✔DNA only
\Q\.Identify if each structure is typically found in DNA only, RNA only, or both DNA and RNA:
uracil and ribose - ANSWER-✔RNA only
\Q\.Identify if each structure is typically found in DNA only, RNA only, or both DNA and RNA:
phosphate, guanine, adenine, cytosine - ANSWER-✔DNA and RNA
\Q\.Identify the functional group(s) below that contain oxygen. - ANSWER-✔Hydroxyl, ketone,
carboxyl, phosphate
\Q\.Ammonium thioglycolate is a common reducing agent in hair treatment. The action of
ammonium thioglycolate is to _____ the type of stabilizing force in the keratin in your hair
called ______ - ANSWER-✔break; disulfide linkages
\Q\.Species A acquires the ability to be resistant to an antibiotic by accepting a fragment of DNA
from a donor cell. Species B acquires the ability to perform a cellular function through several
million years of trial and error, gradually increasing its reproductive fitness until it becomes an
established trait in the species. Species A has demonstrated _______________, and Species B
has demonstrated _______________. - ANSWER-✔horizontal gene transfer; vertical descent
\Q\.Using carbon as a reference point, identify if the elements below have electronegativities
that are biologically similar to or higher than carbon:
sulfur and hydrogen - ANSWER-✔similar to carbon
\Q\.Using carbon as a reference point, identify if the elements below have electronegativities
that are biologically similar to or higher than carbon.
, oxygen and nitrogen - ANSWER-✔higher than carbon
\Q\.Solution A has a pH of 5. Solution B has a pH of 8. Solution A has a proton concentration
_______________ Solution B. - ANSWER-✔1,000 times greater than
\Q\.Each of the biological activities or functions on the left is carried out by a specific type of
macromolecule. Match the activity/function with the type of covalent bond used to join
monomers together in that macromolecule.
Glycosidic linkage - ANSWER-✔energy storage
\Q\.Each of the biological activities or functions on the left is carried out by a specific type of
macromolecule. Match the activity/function with the type of covalent bond used to join
monomers together in that macromolecule.
ester linkage - ANSWER-✔bilayer arrangement of membranes
\Q\.Each of the biological activities or functions on the left is carried out by a specific type of
macromolecule. Match the activity/function with the type of covalent bond used to join
monomers together in that macromolecule.
peptide linkage - ANSWER-✔membrane transport
\Q\.Each of the biological activities or functions on the left is carried out by a specific type of
macromolecule. Match the activity/function with the type of covalent bond used to join
monomers together in that macromolecule.
AND CORRECT ANSWERS
\Q\.The designation of an organism as a member of the Archaea would be at which taxonomic
level? - ANSWER-✔Domain
\Q\.Cervids are a family of animals that include deer, elk, reindeer, and moose. If you wanted to
plot the average size of male and female cervids of different species, the most appropriate
graph type to display these data would be a - ANSWER-✔bar graph
\Q\.independent variable is plotted along the ____ axis in bar graphs - ANSWER-✔x
\Q\.the function of the polysaccharide glycogen is - ANSWER-✔energy storage in animals
\Q\.the function of the polysaccharide cellulose is - ANSWER-✔structural role in plants
\Q\.the function of the polysaccharide starch is - ANSWER-✔energy storage in plants
\Q\.the function of the polysaccharide chitin is - ANSWER-✔structural role in animals
\Q\.A single polypeptide can have different functional domains. - ANSWER-✔true
\Q\.A single type of functional domain can be found in different polypeptides. - ANSWER-✔true
,\Q\.Identify if each structure is typically found in DNA only, RNA only, or both DNA and RNA:
deoxyribose and thymine - ANSWER-✔DNA only
\Q\.Identify if each structure is typically found in DNA only, RNA only, or both DNA and RNA:
uracil and ribose - ANSWER-✔RNA only
\Q\.Identify if each structure is typically found in DNA only, RNA only, or both DNA and RNA:
phosphate, guanine, adenine, cytosine - ANSWER-✔DNA and RNA
\Q\.Identify the functional group(s) below that contain oxygen. - ANSWER-✔Hydroxyl, ketone,
carboxyl, phosphate
\Q\.Ammonium thioglycolate is a common reducing agent in hair treatment. The action of
ammonium thioglycolate is to _____ the type of stabilizing force in the keratin in your hair
called ______ - ANSWER-✔break; disulfide linkages
\Q\.Species A acquires the ability to be resistant to an antibiotic by accepting a fragment of DNA
from a donor cell. Species B acquires the ability to perform a cellular function through several
million years of trial and error, gradually increasing its reproductive fitness until it becomes an
established trait in the species. Species A has demonstrated _______________, and Species B
has demonstrated _______________. - ANSWER-✔horizontal gene transfer; vertical descent
\Q\.Using carbon as a reference point, identify if the elements below have electronegativities
that are biologically similar to or higher than carbon:
sulfur and hydrogen - ANSWER-✔similar to carbon
\Q\.Using carbon as a reference point, identify if the elements below have electronegativities
that are biologically similar to or higher than carbon.
, oxygen and nitrogen - ANSWER-✔higher than carbon
\Q\.Solution A has a pH of 5. Solution B has a pH of 8. Solution A has a proton concentration
_______________ Solution B. - ANSWER-✔1,000 times greater than
\Q\.Each of the biological activities or functions on the left is carried out by a specific type of
macromolecule. Match the activity/function with the type of covalent bond used to join
monomers together in that macromolecule.
Glycosidic linkage - ANSWER-✔energy storage
\Q\.Each of the biological activities or functions on the left is carried out by a specific type of
macromolecule. Match the activity/function with the type of covalent bond used to join
monomers together in that macromolecule.
ester linkage - ANSWER-✔bilayer arrangement of membranes
\Q\.Each of the biological activities or functions on the left is carried out by a specific type of
macromolecule. Match the activity/function with the type of covalent bond used to join
monomers together in that macromolecule.
peptide linkage - ANSWER-✔membrane transport
\Q\.Each of the biological activities or functions on the left is carried out by a specific type of
macromolecule. Match the activity/function with the type of covalent bond used to join
monomers together in that macromolecule.
