BIOCHEMISTY MODULE 4 PROBLEM SET 2025-2026.
QUESTIONS WITH CORRECT ANSWERS.PRIME
PAPER FOR GUARANTEE PASS. GRADED A+
1. Is the following molecule an aldose or ketose? Briefly explain.
Ketose. There is a C=O on the third carbon from the top.
2. Which carbon in erythrose would tell you if the monosaccharide is D or L? Give
the carbon’s number in your answer.
On carbon number 3, which is the penultimate carbon.
3. Glucose and mannose are epimers. Name another epimer of glucose besides
mannose.
Galactose.
4. Is the following structure a D or L carbohydrate? Briefly explain.
