BIOCHEMISTRY EXAM 1
(MULTIPLE CHOICE +
FORMULAS) FINAL EXAM WITH
CORRECT DETAILED ANSWERS
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 - ANSWER --E) A and C
What two properties of water are important for biological interactions? -
ANSWER --The polarity of water
The cohesive properties of water
How many hydrogen bonds are formed between A and T? - ANSWER --2
, Approximately what percentage of the human genome encodes for protein? -
ANSWER --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 - ANSWER --A) N-H and O-H
What gives proteins a dominant role in biochemistry? - ANSWER --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 - ANSWER --D) All of the above
The First Law of Thermodynamics states what? - ANSWER --The total energy
of a system and its surroundings is constant
(MULTIPLE CHOICE +
FORMULAS) FINAL EXAM WITH
CORRECT DETAILED ANSWERS
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 - ANSWER --E) A and C
What two properties of water are important for biological interactions? -
ANSWER --The polarity of water
The cohesive properties of water
How many hydrogen bonds are formed between A and T? - ANSWER --2
, Approximately what percentage of the human genome encodes for protein? -
ANSWER --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 - ANSWER --A) N-H and O-H
What gives proteins a dominant role in biochemistry? - ANSWER --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 - ANSWER --D) All of the above
The First Law of Thermodynamics states what? - ANSWER --The total energy
of a system and its surroundings is constant
