Edition by David L. Nelson All Chapters Complete Guide
With Complete Solution 2024-2025
,Test Bank for Lehninger Principles of Biochemistry,8th
Edition by David L. Nelson All Chapters Complete Guide
With Complete Solution 2024-2025
Test Bank for Lehninger Principles of Biochemistry,8th
Edition by David L. Nelson All Chapters Complete Guide
With Complete Solution 2024-2025
1. The dipole moment in a water molecule Which statement about hydrogen bonds is
NOT true?
A) Hydrogen bonds account for the anomalously high boiling point of water.
B) In liquid water, the average water molecule forms hydrogen bonds with three to
four other water molecules.
C) Individual hydrogen bonds are much weaker than covalent bonds.
D) Individual hydrogen bonds in liquid water exist for many seconds and
sometimes for minutes. – CORRECT ANSWER
E) The strength of a hydrogen bond depends on the linearity of the three atoms
involved in the bond.
2. A TRUE statement about hydrophobic interactions is that they:
A) are the driving force in the formation of micelles of amphipathic compounds
in water. – CORRECT ANSWER
B) do not contribute to the structure of water-soluble proteins.
C) have bonding energies of approximately 20–40 Kjoule per mole.
D) involve the ability of water to denature proteins.
E) primarily involve the effect of polar solutes on the entropy of aqueous systems.
3. Hydrophobic interactions make important energetic contributions to:
A) binding of a hormone to its receptor protein.
B) enzyme-substrate interactions.
C) membrane structure.
D) three-dimensional folding of a polypeptide chain.
E) All of the answers are correct. – CORRECT ANSWER
,Test Bank for Lehninger Principles of Biochemistry,8th
Edition by David L. Nelson All Chapters Complete Guide
With Complete Solution 2024-2025
4. Dissolved solutes alter some physical (colligative) properties of the solvent water
because they change the:
A) concentration of the water. – CORRECT ANSWER
B) hydrogen bonding of the water.
C) ionic bonding of the water.
D) pH of the water.
Page 1
, Test Bank for Lehninger Principles of Biochemistry,8th
Edition by David L. Nelson All Chapters Complete Guide
With Complete Solution 2024-2025
E) temperature of the water.
5. Osmosis is movement of a:
A) charged solute molecule (ion) across a membrane.
B) gas molecule across a membrane.
C) nonpolar solute molecule across a membrane.
D) polar solute molecule across a membrane.
E) water molecule across a membrane. – CORRECT ANSWER
6. A hydronium ion:
A) has the structure H3O+.
B) is a hydrated hydrogen ion.
C) is a hydrated proton.
D) is the usual form of one of the dissociation products of water in solution.
E) All of the answers are correct. – CORRECT ANSWER
7. The pH of a solution of 1 M HCl is:
A) 0. – CORRECT ANSWER
B) 0.1.
C) 1.
D) 10.
E) –1.
8. The pH of a solution of 0.1 M NaOH is:
A) 0.1.
B) 1.0.
C) 12.8.
D) 13. – CORRECT ANSWER
E) 14.