Biochemistry Exam 1 (Multiple Choice +
Formulas) Questions with Complete
Solutions (Latest 2025)
Approximately what percentage of the human genome
encodes for protein? - Correct Answers ✅3%
What pairs of atoms in bases are involved in hydrogen
bonds?
A) N-H and O-H
B) N-H and S-H
C) O-H and P-O
D) All of the above
E) None of the above - Correct Answers ✅A) N-H and O-H
The structure of DNA described by Watson and Crick included
A) a double helix
B) the sugar phosphate backbone aligned in the center of the
helix
C) the base pairs that are stacked on the inside of the double
helix
D) A and B
E) A and C - Correct Answers ✅E) A and C
What two properties of water are important for biological
interactions? - Correct Answers ✅The polarity of water
The cohesive properties of water
, Biochemistry Exam 1 (Multiple Choice +
Formulas) Questions with Complete
Solutions (Latest 2025)
How many hydrogen bonds are formed between A and T? -
Correct Answers ✅2
What gives proteins a dominant role in biochemistry? -
Correct Answers ✅Their ability to spontaneously fold into
complex three-dimensional structures
Which of the following is considered a noncovalent bond?
A) Electrostatic interactions
B) Hydrogen bonds
C) Van der Waals interactions
D) All of the above
E) None of the above - Correct Answers ✅D) All of the
above
The First Law of Thermodynamics states what? - Correct
Answers ✅The total energy of a system and its
surroundings is constant
The Second Law of Thermodynamics states what? - Correct
Answers ✅The total entropy of a system and its
surroundings always increases for a spontaneous process
Formulas) Questions with Complete
Solutions (Latest 2025)
Approximately what percentage of the human genome
encodes for protein? - Correct Answers ✅3%
What pairs of atoms in bases are involved in hydrogen
bonds?
A) N-H and O-H
B) N-H and S-H
C) O-H and P-O
D) All of the above
E) None of the above - Correct Answers ✅A) N-H and O-H
The structure of DNA described by Watson and Crick included
A) a double helix
B) the sugar phosphate backbone aligned in the center of the
helix
C) the base pairs that are stacked on the inside of the double
helix
D) A and B
E) A and C - Correct Answers ✅E) A and C
What two properties of water are important for biological
interactions? - Correct Answers ✅The polarity of water
The cohesive properties of water
, Biochemistry Exam 1 (Multiple Choice +
Formulas) Questions with Complete
Solutions (Latest 2025)
How many hydrogen bonds are formed between A and T? -
Correct Answers ✅2
What gives proteins a dominant role in biochemistry? -
Correct Answers ✅Their ability to spontaneously fold into
complex three-dimensional structures
Which of the following is considered a noncovalent bond?
A) Electrostatic interactions
B) Hydrogen bonds
C) Van der Waals interactions
D) All of the above
E) None of the above - Correct Answers ✅D) All of the
above
The First Law of Thermodynamics states what? - Correct
Answers ✅The total energy of a system and its
surroundings is constant
The Second Law of Thermodynamics states what? - Correct
Answers ✅The total entropy of a system and its
surroundings always increases for a spontaneous process
