Chapter 3: Protein
Structure and Function
Exam Study Guide Latest
Updated 2024/2025
The Best Study Notes
, Chapter 3: Protein Structure
and Function Exam Study
Guide Latest Updated
2024/2025
1) Which is not a role proteins play in organisms?
A) store genetic information
B) movement and shape changes
C) chemical signaling
D) structural support
Answer: A
Reference: Section 3.1
Bloom's Level: Remembering
LOs: Chp3-1. Explain and give examples of why proteins are essential to cell function.
2) Three important functions of proteins are cell
A) wall composition, cushioning, and membrane fluidity.
B) movement, signaling, and reaction catalysis.
C) information coding, conversion, and transfer.
Answer: B
Reference: Section 3.1
Bloom's Level: Remembering
LOs: Chp3-1. Explain and give examples of why proteins are essential to cell function.
3) In experiments that successfully simulate chemical evolution, why must at least some small,
reduced molecules be present?
A) They act as proton donors in acid-base reactions.
B) They act as proton acceptors in acid-base reactions.
C) They act as electron acceptors in redox reactions.
D) They act as electron donors in redox reactions.
Answer: D
Reference: Section 3.2
Bloom's Level: Remembering
4) What is the process component of the theory of chemical evolution?
A) Acid-base reactions resulted in the formation of large, complex organic molecules.
B) Kinetic energy was transformed into chemical energy.
C) During polymerization reactions, hydrolysis competed with condensation.
D) The process occurred at black smokers, in the atmosphere and oceans, and in outer space.
Answer: B
Explanation: B) This is a great question to use in class to remind students of the big picture of
chemical evolution.
1
, Chapter 3: Protein Structure
and Function Exam Study
Guide Latest Updated
2024/2025
Reference: Section 3.2
Bloom's Level: Comprehension
2
, Chapter 3: Protein Structure
and Function Exam Study
Guide Latest Updated
2024/2025
5) What is the pattern component of the theory of chemical evolution?
A) Both heat and electrical discharges are required for chemical evolution to occur.
B) Most chemical evolution occurred at black smokers.
C) The process occurred at black smokers, in the atmosphere and oceans, and in outer space.
D) Increasingly complex carbon-containing molecules formed early in Earth history.
Answer: D
Reference: Section 3.2
Bloom's Level: Comprehension
6) Which of the following best describes the first living entity–the one responsible for the origin
of life?
A) It was a monomer.
B) It was large and extremely complex.
C) It could make a copy of itself.
Answer: C
Reference: Section 3.2
Bloom's Level: Comprehension
7) In interstellar space, millions of ice-encrusted dust particles contain simple carbon-containing
compounds. When particles like these are exposed to solar radiation, more complex organic
molecules form on the surfaces of the dust. What is the significance of these findings?
A) Chemical evolution occurs only in outer space and was not possible on Earth.
B) Life began in outer space.
C) Life exists in outer space.
D) Chemical evolution occurs readily in outer space.
Answer: D
Reference: Section 3.2
Bloom's Level: Comprehension
8) Consider the experiment that Stanley Miller did to simulate chemical evolution. Recall that a
glass flask held the reduced gases NH3, CH4, and H2 and that the gases were exposed to
electrical sparks. What is the null hypothesis in the experiment?
A) Chemical evolution does not occur.
B) Chemical evolution requires the presence of reduced molecules.
C) Chemical evolution requires continuous heating.
D) Chemical evolution requires a source of kinetic energy.
E) Chemical evolution occurs only on Earth.
3
Structure and Function
Exam Study Guide Latest
Updated 2024/2025
The Best Study Notes
, Chapter 3: Protein Structure
and Function Exam Study
Guide Latest Updated
2024/2025
1) Which is not a role proteins play in organisms?
A) store genetic information
B) movement and shape changes
C) chemical signaling
D) structural support
Answer: A
Reference: Section 3.1
Bloom's Level: Remembering
LOs: Chp3-1. Explain and give examples of why proteins are essential to cell function.
2) Three important functions of proteins are cell
A) wall composition, cushioning, and membrane fluidity.
B) movement, signaling, and reaction catalysis.
C) information coding, conversion, and transfer.
Answer: B
Reference: Section 3.1
Bloom's Level: Remembering
LOs: Chp3-1. Explain and give examples of why proteins are essential to cell function.
3) In experiments that successfully simulate chemical evolution, why must at least some small,
reduced molecules be present?
A) They act as proton donors in acid-base reactions.
B) They act as proton acceptors in acid-base reactions.
C) They act as electron acceptors in redox reactions.
D) They act as electron donors in redox reactions.
Answer: D
Reference: Section 3.2
Bloom's Level: Remembering
4) What is the process component of the theory of chemical evolution?
A) Acid-base reactions resulted in the formation of large, complex organic molecules.
B) Kinetic energy was transformed into chemical energy.
C) During polymerization reactions, hydrolysis competed with condensation.
D) The process occurred at black smokers, in the atmosphere and oceans, and in outer space.
Answer: B
Explanation: B) This is a great question to use in class to remind students of the big picture of
chemical evolution.
1
, Chapter 3: Protein Structure
and Function Exam Study
Guide Latest Updated
2024/2025
Reference: Section 3.2
Bloom's Level: Comprehension
2
, Chapter 3: Protein Structure
and Function Exam Study
Guide Latest Updated
2024/2025
5) What is the pattern component of the theory of chemical evolution?
A) Both heat and electrical discharges are required for chemical evolution to occur.
B) Most chemical evolution occurred at black smokers.
C) The process occurred at black smokers, in the atmosphere and oceans, and in outer space.
D) Increasingly complex carbon-containing molecules formed early in Earth history.
Answer: D
Reference: Section 3.2
Bloom's Level: Comprehension
6) Which of the following best describes the first living entity–the one responsible for the origin
of life?
A) It was a monomer.
B) It was large and extremely complex.
C) It could make a copy of itself.
Answer: C
Reference: Section 3.2
Bloom's Level: Comprehension
7) In interstellar space, millions of ice-encrusted dust particles contain simple carbon-containing
compounds. When particles like these are exposed to solar radiation, more complex organic
molecules form on the surfaces of the dust. What is the significance of these findings?
A) Chemical evolution occurs only in outer space and was not possible on Earth.
B) Life began in outer space.
C) Life exists in outer space.
D) Chemical evolution occurs readily in outer space.
Answer: D
Reference: Section 3.2
Bloom's Level: Comprehension
8) Consider the experiment that Stanley Miller did to simulate chemical evolution. Recall that a
glass flask held the reduced gases NH3, CH4, and H2 and that the gases were exposed to
electrical sparks. What is the null hypothesis in the experiment?
A) Chemical evolution does not occur.
B) Chemical evolution requires the presence of reduced molecules.
C) Chemical evolution requires continuous heating.
D) Chemical evolution requires a source of kinetic energy.
E) Chemical evolution occurs only on Earth.
3
