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Metabolism Made Easy

Metabolism Made Easy

By: A J Ghalayini Ph.D.
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About this listen

 This podcast describes selected biochemistry content that could be useful to premedical/medical students. Similar content (podcasts and videos) is available at: https://medbiochem.org/ or check out my YouTube channel: Metabolism Made Easy These podcasts and videos cover selected topics in medical biochemistry. A J Ghalayini, Ph.D. Bio for Dr. Ghalayini: Dr. Ghalayini received his Ph.D. in Biochemistry from the University of Houston, Houston, Texas. He has over 3 decades of experience in research and medical education as professor of biochemistry at 5 different universities.A J Ghalayini, Ph.D. Education
Episodes
  • Nitrogen Disposal & Carbon Skeletons- AI Podcast

    Nitrogen Disposal & Carbon Skeletons- AI Podcast
    Feb 10 2026

    The body cannot store excess amino acids, so they are used for protein synthesis or energy. During catabolism, nitrogen is converted into toxic ammonia, which the urea cycle safely removes. Remaining carbon skeletons are repurposed for fuel by producing glucose or acetyl CoA which are both catabolized to produce energy.
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    3 mins
  • Glycolysis Summary

    Glycolysis Summary
    Feb 7 2026

    This podcast summarizes 5 key features of glycolysis: 1. Purpose of glycolysis ; 2. Tissues and Cellular compartments; 3. Energy output; 4. Regulation of rate-limiting enzymes; and 5. Clinical correlates (pyruvate kinase are deficiency).
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    3 mins
  • Pyruvate: Distinct Roles During Fasting/ Well-Fed States- AI Podcast

    Pyruvate: Distinct Roles During Fasting/ Well-Fed States- AI Podcast
    Jan 27 2026

    This podcast explains how the human body adapts its metabolic pathways to manage pyruvate based on its nutritional status. In the well-fed state, high glucose levels allow pyruvate to fuel the TCA cycle for energy or assist in creating nonessential amino acids. Conversely, during fasting or physical exertion, the body shifts toward gluconeogenesis to synthesize new glucose from available resources. This process involves converting substances like lactate and alanine from the muscles back into pyruvate within the liver. Ultimately, the source highlights the body’s metabolic flexibility in maintaining energy balance through varying physiological conditions.
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    15 mins
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