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Biochemistry Exam 1 (Multiple Choice + Formulas) With Complete Solutions Latest Update
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Biochemistry Exam 1 (Multiple Choice + Formulas) With Complete Solutions Latest Update
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Biochemistry Exam 1 (Multiple Choice +Formulas) With Complete Solutions Latest
Update
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
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
List atoms commonly found in biological molecules that are often hydrogen-bond
acceptors. - correct answers Oxygen
Nitrogen
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