alleryStart learning →Gluconeogenesis makes new glucose from which starting materials?
AOnly from dietary starch
BPyruvate, lactate and glycerol
CWater and carbon dioxide
DFat-soluble vitamins alone
Answer & Solution
Correct answer: B. Pyruvate, lactate and glycerol
1. When glucose runs short the body can synthesise it rather than eat it.
2. Gluconeogenesis builds new glucose from pyruvate, lactate, glycerol or certain amino acids.
3. It is not simply glycolysis run backward, since several steps differ.
_Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 24 "Metabolism and Nutrition", section 24.2 | Carbohydrate Metabolism_
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