Biochemistry Final Exam Questions &
Answers (Grade A+)
True or False: Hydrogen is called the superglue of the chemical
world. -
correct answer ✅False
True or False: Small elements, such as nitrogen, are common in
biomolecules. -
correct answer ✅true
True or False: The time it takes for a compound to flow through a
metabolic pathway is called the flux. -
correct answer ✅true
True or False: Proteins, carbohydrates, and fats all get broken down
into NADH and FADH2 in energy production. -
correct answer ✅true
True or False: A fat is a lipid molecule that is a liquid at room
temperature. -
correct answer ✅false
In RNA, guanine always pairs with ________.
,Biochemistry Final Exam Questions &
Answers (Grade A+)
- Thymine
- Guanine
- Cytosine
- Uracil
- Both A and B -
correct answer ✅- Cytosine
Water is considered a polar solvent due to attractive forces known
as hydrogen bonds. A hydrogen bond is __________.
- A bond that is stronger than a covalent bond
- An attractive force between molecules where partially positive
hydrogen atoms are attracted to partially negative atoms of F, O, or
N.
- The polar O-H bond in water
- An ionic bond between H and another atom
- A covalent bond between H and O -
correct answer ✅- An attractive force between molecules where
partially positive hydrogen atoms are attracted to partially negative
atoms of F, O, or N.
,Biochemistry Final Exam Questions &
Answers (Grade A+)
Which attribute contributes to water's unusual properties?
- The geometry of the molecule
- The polarity of the O-H bonds
- The ability of water molecules to hydrogen bond
- The bond angle of water
- All of the answers are correct -
correct answer ✅- All of the answers are correct
The H+ concentration of a solution is 7.9 x 10-13 M. What is the
pH?
-6.70
6.70
11.17
-12.1
12.1 -
correct answer ✅12.1
[ [H+]=7.9 x 10-13; pH=-log[7.9 x 10-13]= 12.1]
, Biochemistry Final Exam Questions &
Answers (Grade A+)
Which of the following is the free-energy change of a reaction?
A) ΔG
B) ΔS
C) ΔH
D) ΔF -
correct answer ✅A) ΔG
gibbs free energy
A fibrous protein is an example of a protein __________.
- Quaternary structure
- motif
- Secondary structure
- Amino acid
- Conformation -
correct answer ✅- Conformation
Any molecule or ion that is necessary for an enzyme's function is
called a
Answers (Grade A+)
True or False: Hydrogen is called the superglue of the chemical
world. -
correct answer ✅False
True or False: Small elements, such as nitrogen, are common in
biomolecules. -
correct answer ✅true
True or False: The time it takes for a compound to flow through a
metabolic pathway is called the flux. -
correct answer ✅true
True or False: Proteins, carbohydrates, and fats all get broken down
into NADH and FADH2 in energy production. -
correct answer ✅true
True or False: A fat is a lipid molecule that is a liquid at room
temperature. -
correct answer ✅false
In RNA, guanine always pairs with ________.
,Biochemistry Final Exam Questions &
Answers (Grade A+)
- Thymine
- Guanine
- Cytosine
- Uracil
- Both A and B -
correct answer ✅- Cytosine
Water is considered a polar solvent due to attractive forces known
as hydrogen bonds. A hydrogen bond is __________.
- A bond that is stronger than a covalent bond
- An attractive force between molecules where partially positive
hydrogen atoms are attracted to partially negative atoms of F, O, or
N.
- The polar O-H bond in water
- An ionic bond between H and another atom
- A covalent bond between H and O -
correct answer ✅- An attractive force between molecules where
partially positive hydrogen atoms are attracted to partially negative
atoms of F, O, or N.
,Biochemistry Final Exam Questions &
Answers (Grade A+)
Which attribute contributes to water's unusual properties?
- The geometry of the molecule
- The polarity of the O-H bonds
- The ability of water molecules to hydrogen bond
- The bond angle of water
- All of the answers are correct -
correct answer ✅- All of the answers are correct
The H+ concentration of a solution is 7.9 x 10-13 M. What is the
pH?
-6.70
6.70
11.17
-12.1
12.1 -
correct answer ✅12.1
[ [H+]=7.9 x 10-13; pH=-log[7.9 x 10-13]= 12.1]
, Biochemistry Final Exam Questions &
Answers (Grade A+)
Which of the following is the free-energy change of a reaction?
A) ΔG
B) ΔS
C) ΔH
D) ΔF -
correct answer ✅A) ΔG
gibbs free energy
A fibrous protein is an example of a protein __________.
- Quaternary structure
- motif
- Secondary structure
- Amino acid
- Conformation -
correct answer ✅- Conformation
Any molecule or ion that is necessary for an enzyme's function is
called a
