Test Bank For
Essential Biochemistry 5th Edition By Charlotte W. Pratt, Kathleen Cornely
Chapter 1-22
Chapter 1: The Chemical Basis of Life
Question type: Multiple Choice
1) Which of the following is the most abundant element in the human body?
A) nitrogen
B) carbon
C) oxygen
D) phosphorous
E) none of the above
Answer: B
Difficulty: Easy
Section Reference: 1-2
Learning Objective: Identify the major classes of biological molecules
2) Of the following amino acids, which contains an alcohol?
a b c d
A) a
B) b
C) c
D) d
E) all of the above
Answer: A
Difficulty: Easy
Section Reference: 1-2
Learning Objective: Identify the major classes of biological molecules
3) Which of the major types of biomolecules is never found in a polymeric form?
,A) amino acids
B) carbohydrates
C) nucleotides
D) lipids
E) none of the above
Answer: D
Difficulty: Medium
Section Reference: 1-2
Learning Objective: Identify the major classes of biological molecules
4) Which of the following biopolymers is correctly paired with the bond that forms between the
monomers?
A) protein: ester bond
B) polysaccharide: glycosidic bond
C) DNA: phosphate bond
D) RNA: phosphate bond
E) all of the above
Answer: B
Difficulty: Hard
Section Reference: 1-2
Learning Objective: Identify the major classes of biological molecules
5) Which of the biopolymers is correctly paired with its major function?
A) protein: information encoding
B) nucleic acids: energy storage
C) lipids: information encoding
D) polysaccharide: energy storage
E) none of the above
Answer: D
Difficulty: Medium
Section Reference: 1-2
Learning Objective: Identify the major classes of biological molecules
6) What functional groups are present in the following molecule?
,A) amine and carboxylic acid
B) amine, ketone and carboxylic acid
C) amine, amide and carboxylic acid
D) alcohol, amine, amide and carboxylic acid
E) none of the above are correct
Answer: C
Difficulty: Medium
Section Reference: 1-2
Learning Objective: Identify the major classes of biological molecules
7) Which elements are found in simple carbohydrates?
A) carbon, hydrogen and oxygen
B) carbon, hydrogen, oxygen and nitrogen
C) carbon, hydrogen, oxygen and phosphorous
D) carbon, hydrogen, oxygen and sulfur
E) none of the above
Answer: A
Difficulty: Medium
Section Reference: 1-2
Learning Objective: Identify the major classes of biological molecules
8) Entropy is used to measure _____.
A) free energy
B) heat content
C) temperature
D) randomness
E) all of the above
Answer: D
Difficulty: Easy
, Section Reference: 1-3
Learning Objective: Explain how enthalpy, entropy, and free energy apply to biological systems
9) A spontaneous process always has _____.
A) G < 0
B) G > 0
C) H < 0
D) H > 0
E) none of the above
Answer: A
Difficulty: Easy
Section Reference: 1-3
Learning Objective: Explain how enthalpy, entropy, and free energy apply to biological systems
10) If a reaction at 37C has a H of 23 kJ/mol and a S of 337 J/Kmol, what is the G for the
reaction?
A) 65 kJ/mol
B) -47 kJ/mol
C) 18 kJ/mol
D) -19 kJ/mol
E) none of the above
Answer: B
Difficulty: Hard
Section Reference: 1-3
Learning Objective: Explain how enthalpy, entropy, and free energy apply to biological systems
11) An exergonic process _____.
A) occurs without the addition of free energy
B) has a G < 0
C) is spontaneous
D) will have more products than reactants at equilibrium
E) all of the above
Answer: E
Essential Biochemistry 5th Edition By Charlotte W. Pratt, Kathleen Cornely
Chapter 1-22
Chapter 1: The Chemical Basis of Life
Question type: Multiple Choice
1) Which of the following is the most abundant element in the human body?
A) nitrogen
B) carbon
C) oxygen
D) phosphorous
E) none of the above
Answer: B
Difficulty: Easy
Section Reference: 1-2
Learning Objective: Identify the major classes of biological molecules
2) Of the following amino acids, which contains an alcohol?
a b c d
A) a
B) b
C) c
D) d
E) all of the above
Answer: A
Difficulty: Easy
Section Reference: 1-2
Learning Objective: Identify the major classes of biological molecules
3) Which of the major types of biomolecules is never found in a polymeric form?
,A) amino acids
B) carbohydrates
C) nucleotides
D) lipids
E) none of the above
Answer: D
Difficulty: Medium
Section Reference: 1-2
Learning Objective: Identify the major classes of biological molecules
4) Which of the following biopolymers is correctly paired with the bond that forms between the
monomers?
A) protein: ester bond
B) polysaccharide: glycosidic bond
C) DNA: phosphate bond
D) RNA: phosphate bond
E) all of the above
Answer: B
Difficulty: Hard
Section Reference: 1-2
Learning Objective: Identify the major classes of biological molecules
5) Which of the biopolymers is correctly paired with its major function?
A) protein: information encoding
B) nucleic acids: energy storage
C) lipids: information encoding
D) polysaccharide: energy storage
E) none of the above
Answer: D
Difficulty: Medium
Section Reference: 1-2
Learning Objective: Identify the major classes of biological molecules
6) What functional groups are present in the following molecule?
,A) amine and carboxylic acid
B) amine, ketone and carboxylic acid
C) amine, amide and carboxylic acid
D) alcohol, amine, amide and carboxylic acid
E) none of the above are correct
Answer: C
Difficulty: Medium
Section Reference: 1-2
Learning Objective: Identify the major classes of biological molecules
7) Which elements are found in simple carbohydrates?
A) carbon, hydrogen and oxygen
B) carbon, hydrogen, oxygen and nitrogen
C) carbon, hydrogen, oxygen and phosphorous
D) carbon, hydrogen, oxygen and sulfur
E) none of the above
Answer: A
Difficulty: Medium
Section Reference: 1-2
Learning Objective: Identify the major classes of biological molecules
8) Entropy is used to measure _____.
A) free energy
B) heat content
C) temperature
D) randomness
E) all of the above
Answer: D
Difficulty: Easy
, Section Reference: 1-3
Learning Objective: Explain how enthalpy, entropy, and free energy apply to biological systems
9) A spontaneous process always has _____.
A) G < 0
B) G > 0
C) H < 0
D) H > 0
E) none of the above
Answer: A
Difficulty: Easy
Section Reference: 1-3
Learning Objective: Explain how enthalpy, entropy, and free energy apply to biological systems
10) If a reaction at 37C has a H of 23 kJ/mol and a S of 337 J/Kmol, what is the G for the
reaction?
A) 65 kJ/mol
B) -47 kJ/mol
C) 18 kJ/mol
D) -19 kJ/mol
E) none of the above
Answer: B
Difficulty: Hard
Section Reference: 1-3
Learning Objective: Explain how enthalpy, entropy, and free energy apply to biological systems
11) An exergonic process _____.
A) occurs without the addition of free energy
B) has a G < 0
C) is spontaneous
D) will have more products than reactants at equilibrium
E) all of the above
Answer: E
