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MCAT Biological and Biochemical Foundations of Living Systems Flashcards: 1d Glycolysis Gluconeogenesis Ppp

Study 1d Glycolysis Gluconeogenesis Ppp in MCAT Biological and Biochemical Foundations of Living Systems with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

What is the purpose of fermentation in human cells during anaerobic glycolysis?

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ANSWER

Regenerate NAD+^+ to sustain glycolysis. Fermentation recycles NADH to NAD+^+, preventing depletion that would halt glycolysis at the glyceraldehyde-3-phosphate dehydrogenase step.

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MCAT Biological and Biochemical Foundations of Living Systems: Foundational Concept 1: Biomolecules and Metabolism

You are hereGlycolysis, Gluconeogenesis, and PPP (1D)24 cards

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What this deck covers

This deck focuses on 1d Glycolysis Gluconeogenesis Ppp, giving you a quick way to review the definitions, rules, and examples that matter most for MCAT Biological and Biochemical Foundations of Living Systems.

How to use these flashcards

Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 50Practice questions for this set
A study of rapidly dividing cells (150–250 words) reported increased demand for ribose-5-phosphate (R5P) for nucleotide synthesis. Investigators observed increased flux through the non-oxidative PPP while NADPH levels remained unchanged. They proposed carbon rearrangement reactions were favored without net oxidation. Context: non-oxidative PPP interconverts glycolytic intermediates ↔\leftrightarrow R5P Based on the scenario, which outcome is most consistent with increased non-oxidative PPP flux (with unchanged oxidative PPP)?
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