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1. Which of the following amino acids has a side chain that can form a
disulfide bond, contributing to the tertiary structure of a protein?
A. Glycine
B. Proline
C. Cysteine
D. Alanine
Correct Answer: C. Cysteine
Rationale: Cysteine contains a thiol group which can oxidize to form a
disulfide bond, stabilizing the protein's structure.
2. In the context of carbohydrate metabolism, what is the primary
purpose of the pentose phosphate pathway?
A. To generate ATP
B. To produce ribose-5-phosphate for nucleotide synthesis
C. To degrade glucose
D. To synthesize fatty acids
Correct Answer: B. To produce ribose-5-phosphate for nucleotide
BCH 371 Modern Concepts in Biochemistry Final Exam Guide Q & A 2026 Complete And Study material 35pages LEARNEXAMS
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