CHEM 210 BIO-CHEMISTRY MODULE 1-8 FINAL EXAM NEWEST 2026 ACTUAL EXAM QUESTIONS AND CORRECT DETAILED ANSWERS (VERIFIED ANSWERS) ALL ANSWERED/ ALREADY GRADED A+ | BRAND NEW! | 100% GUARANTEED PASS | + RATIONALES

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CHEM 210 BIO-CHEMISTRY MODULE 1-8 FINAL EXAM
NEWEST 2026 ACTUAL EXAM QUESTIONS AND
CORRECT DETAILED ANSWERS (VERIFIED ANSWERS)
ALL ANSWERED/ ALREADY GRADED A+ | BRAND
NEW! | 100% GUARANTEED PASS | + RATIONALES

CHEM 210 – MODULE 1 EXAM


1. The Henderson–Hasselbalch equation relates pH to:

A. Temperature
B. Acid concentration only
C. pKa and salt/acid ratio
D. Gas constant
Answer: C


2. A buffer with pKa 7 is most effective at:

A. pH 9
B. pH 10
C. pH 7
D. pH 4
Answer: C




3. Which amino acid has an imidazole group?

A. Arginine
B. Histidine
C. Proline
D. Glutamate
Answer: B

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Rationale: Histidine’s side chain is imidazole.

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4. A solution contains equal acid and conjugate base
concentrations. pH =
A. pKa
B. pKa + 1
C. pKa – 1
D. cannot determine
Answer: A




5. What force stabilizes peptide bonds?

A. Ionic bonding
B. Resonance stabilization
C. Nonpolar interactions
D. van der Waals only
Answer: B




6. Which amino acid has two chiral centers?

A. Threonine
B. Glycine
C. Serine
D. Histidine
Answer: A




7. Which amino acid is most flexible?

A. Glycine

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B. Leucine
C. Tryptophan
D. Phenylalanine
Answer: A