BioChem 210 Final Exam - Portage
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Correct Answers
1. A ___ is a chemical formula that shows how the atoms of a molecule are
bonded to one another.
A. Condensed formula
B. Kekule structure
C. Line bond structure
D. Molecular formula
Answer: B. Kekule structure
2. A _____ is a chemical formula that does NOT show the C-H and C-C
bonds.
A. Kekule structure
B. Line bond structure
C. Condensed formula
D. Molecular formula
Answer: C. Condensed formula
3. A collection of two or more macromolecules uniting is called a ___.
A. Polymer complex
B. Supramolecular complex
C. Protein aggregate
D. Molecular cluster
Answer: B. Supramolecular complex
4. A fibrous protein is an example of a protein ___.
A. Structure
B. Function
C. Conformation
D. Sequence
Answer: C. Conformation
5. A group of molecules form a clathrate. What is a clathrate and why does it
form?
A. A clathrate is a linear chain structure that forms due to covalent bonding
between water molecules
,B. A clathrate is a cage structure that forms around a substance placed in
water as a result of the hydrophobic effect, where water orders itself to
maximize hydrogen bonds
C. A clathrate is a protein complex that forms due to ionic interactions
between charged molecules
D. A clathrate is a lipid bilayer structure that forms to separate hydrophobic
and hydrophilic regions
Answer: B. A clathrate is a cage structure that forms around a substance
placed in water as a result of the hydrophobic effect, where water orders itself
to maximize hydrogen bonds
6. A particular lipid is liquid at room temperature, so it is called:
A. Fat
B. Wax
C. Oil
D. Phospholipid
Answer: C. Oil
7. A particular lipid is solid at room temperature, so it is called:
A. Oil
B. Fat
C. Wax
D. Sterol
Answer: B. Fat
8. About how many different elements are found in living organisms?
A. 10
B. 20
C. 30
D. 50
Answer: C. 30
9. According to the module, the study of carbon compounds is referred to as
___.
A. Inorganic chemistry
B. Biochemistry
C. Organic chemistry
D. Molecular biology
Answer: C. Organic chemistry
, 10. An organic compound with this structure, C=C, contains a ___ functional
group.
A. Alkyne
B. Alkene
C. Alcohol
D. Aldehyde
Answer: B. Alkene
11. Any molecule or ion that is necessary for an enzyme's function is called:
A. Substrate
B. Coenzyme
C. Cofactor
D. Inhibitor
Answer: C. Cofactor
12. Biochemists study the communication within and around organisms. What
are 2 other aspects of living organisms that biochemists study?
A. The relationship between structure and function of biomolecules, and
chemical reactions of organisms (metabolism)
B. The physical appearance of organisms, and the geographic distribution of
species
C. Genetic inheritance patterns, and the evolutionary history of species
D. The reproductive strategies of organisms, and their behavioral patterns
Answer: A. The relationship between structure and function of biomolecules,
and chemical reactions of organisms (metabolism)
13. Which of the following is NOT a property of carbon that permits it to be the
basis of life?
A. Carbon can form strong covalent bonds with a variety of different elements
B. Carbon can form double and triple bonds with other carbon atoms and with
elements such as nitrogen and oxygen
C. Carbon can form long chains through bonding with other carbons to create
long polymers
D. Carbon can form ionic bonds with metals
Answer: D. Carbon can form ionic bonds with metals
14. Eukaryotes have molecules that provide a protective structure. This
network, found in all eukaryotes, is called the ___.
A. Cell wall
B. Cytoskeleton
Learning | () 100% Verified
Correct Answers
1. A ___ is a chemical formula that shows how the atoms of a molecule are
bonded to one another.
A. Condensed formula
B. Kekule structure
C. Line bond structure
D. Molecular formula
Answer: B. Kekule structure
2. A _____ is a chemical formula that does NOT show the C-H and C-C
bonds.
A. Kekule structure
B. Line bond structure
C. Condensed formula
D. Molecular formula
Answer: C. Condensed formula
3. A collection of two or more macromolecules uniting is called a ___.
A. Polymer complex
B. Supramolecular complex
C. Protein aggregate
D. Molecular cluster
Answer: B. Supramolecular complex
4. A fibrous protein is an example of a protein ___.
A. Structure
B. Function
C. Conformation
D. Sequence
Answer: C. Conformation
5. A group of molecules form a clathrate. What is a clathrate and why does it
form?
A. A clathrate is a linear chain structure that forms due to covalent bonding
between water molecules
,B. A clathrate is a cage structure that forms around a substance placed in
water as a result of the hydrophobic effect, where water orders itself to
maximize hydrogen bonds
C. A clathrate is a protein complex that forms due to ionic interactions
between charged molecules
D. A clathrate is a lipid bilayer structure that forms to separate hydrophobic
and hydrophilic regions
Answer: B. A clathrate is a cage structure that forms around a substance
placed in water as a result of the hydrophobic effect, where water orders itself
to maximize hydrogen bonds
6. A particular lipid is liquid at room temperature, so it is called:
A. Fat
B. Wax
C. Oil
D. Phospholipid
Answer: C. Oil
7. A particular lipid is solid at room temperature, so it is called:
A. Oil
B. Fat
C. Wax
D. Sterol
Answer: B. Fat
8. About how many different elements are found in living organisms?
A. 10
B. 20
C. 30
D. 50
Answer: C. 30
9. According to the module, the study of carbon compounds is referred to as
___.
A. Inorganic chemistry
B. Biochemistry
C. Organic chemistry
D. Molecular biology
Answer: C. Organic chemistry
, 10. An organic compound with this structure, C=C, contains a ___ functional
group.
A. Alkyne
B. Alkene
C. Alcohol
D. Aldehyde
Answer: B. Alkene
11. Any molecule or ion that is necessary for an enzyme's function is called:
A. Substrate
B. Coenzyme
C. Cofactor
D. Inhibitor
Answer: C. Cofactor
12. Biochemists study the communication within and around organisms. What
are 2 other aspects of living organisms that biochemists study?
A. The relationship between structure and function of biomolecules, and
chemical reactions of organisms (metabolism)
B. The physical appearance of organisms, and the geographic distribution of
species
C. Genetic inheritance patterns, and the evolutionary history of species
D. The reproductive strategies of organisms, and their behavioral patterns
Answer: A. The relationship between structure and function of biomolecules,
and chemical reactions of organisms (metabolism)
13. Which of the following is NOT a property of carbon that permits it to be the
basis of life?
A. Carbon can form strong covalent bonds with a variety of different elements
B. Carbon can form double and triple bonds with other carbon atoms and with
elements such as nitrogen and oxygen
C. Carbon can form long chains through bonding with other carbons to create
long polymers
D. Carbon can form ionic bonds with metals
Answer: D. Carbon can form ionic bonds with metals
14. Eukaryotes have molecules that provide a protective structure. This
network, found in all eukaryotes, is called the ___.
A. Cell wall
B. Cytoskeleton
