PRINCIPLES OF BIOCHEMISTRY 2026 COMPREHENSIVE ASSESSMENT SCRIPT SOLVED QUESTIONS ANSWERS UPDATED REVIEW SET

PRINCIPLES OF BIOCHEMISTRY 2026
COMPREHENSIVE ASSESSMENT SCRIPT
SOLVED QUESTIONS ANSWERS UPDATED
REVIEW SET

◉ Which of the following is a reflection of the total energy change in
a chemical reaction, a measure of the number and kinds of bonds
that are made and broken?


A. ΔG
B. ΔH
C. ΔS
D. ΔE
E. ΔT.
Answer: B. ΔH


◉ Which of the following atoms does not commonly form hydrogen
bonds between or within biological molecules?


A. Oxygen
B. Hydrogen
C. Carbon

, D. Nitrogen
E. All four atoms above commonly form hydrogen bonds..
Answer: C. Carbon


◉ Detergent molecules often are made up of a polar head group and
a single long acyl chain. They form micelles in water.
Glycerophospholipids typically have two long acyl chains bound to a
glycerol backbone. When placed in water would a
glycerophospholipid be most likely to ...
A. Be free in solution as single molecules
B. Form micelles
C. Form bilayers/vesicles
D. Form unorganized aggregates
E. None of these is likely.
Answer: C. Form bilayers/vesicles


◉ What two weak interactions are most important in the formation
of a cluster of lipid molecules in an aqueous solution?
A. Hydrogen and ionic
B. Ionic and hydrophobic
C. Hydrophobic and van der Waal's
D. Ionic and van der Waal's
E. Hydrogen and hydrophobic.