FUNDAMENTALS OF BIOCHEMISTRY LIFE
AT THE MOLECULAR LEVEL FIFTH
EDITION ACTUAL EXAM PAPER
QUESTIONS AND ANSWERS
⫸ What elements are primarily found in biological systems? Answer:
Only a small subset of the known elements is found in living systems.
⫸ Do trace elements play a significant role in biochemistry? Answer:
Yes, elements found in trace amounts can play significant roles in
biochemistry.
⫸ What are the four major classes of biomolecules? Answer: Amino
acids/proteins, carbohydrates, nucleic acids/nucleotides, and lipids.
⫸ What do amino acids contain? Answer: An amino group, a carboxylic
acid group, and a side chain.
⫸ What is the general chemical formula for carbohydrates? Answer:
(CH2O)n where n ≥ 3.
⫸ What is a key characteristic of lipids? Answer: Lipids have a variety
of structures and include molecules like cholesterol, which is
amphipathic.
AT THE MOLECULAR LEVEL FIFTH
EDITION ACTUAL EXAM PAPER
QUESTIONS AND ANSWERS
⫸ What elements are primarily found in biological systems? Answer:
Only a small subset of the known elements is found in living systems.
⫸ Do trace elements play a significant role in biochemistry? Answer:
Yes, elements found in trace amounts can play significant roles in
biochemistry.
⫸ What are the four major classes of biomolecules? Answer: Amino
acids/proteins, carbohydrates, nucleic acids/nucleotides, and lipids.
⫸ What do amino acids contain? Answer: An amino group, a carboxylic
acid group, and a side chain.
⫸ What is the general chemical formula for carbohydrates? Answer:
(CH2O)n where n ≥ 3.
⫸ What is a key characteristic of lipids? Answer: Lipids have a variety
of structures and include molecules like cholesterol, which is
amphipathic.
