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  2. Digestive enzyme - Wikipedia

    en.wikipedia.org/wiki/Digestive_enzyme

    Digestive enzymes take part in the chemical process of digestion, which follows the mechanical process of digestion. Food consists of macromolecules of proteins, carbohydrates, and fats that need to be broken down chemically by digestive enzymes in the mouth , stomach , pancreas , and duodenum , before being able to be absorbed into the ...

  3. What are enzymes, and what do they have to do with digestion?

    www.aol.com/enzymes-digestion-090536230.html

    Enzymes all have specific purposes and capabilities. Time to learn about them.

  4. Enzyme - Wikipedia

    en.wikipedia.org/wiki/Enzyme

    Enzymes determine what steps occur in these pathways. Without enzymes, metabolism would neither progress through the same steps and could not be regulated to serve the needs of the cell. Most central metabolic pathways are regulated at a few key steps, typically through enzymes whose activity involves the hydrolysis of ATP.

  5. Metabolism - Wikipedia

    en.wikipedia.org/wiki/Metabolism

    Metabolism (/ m ə ˈ t æ b ə l ɪ z ə m /, from Greek: μεταβολή metabolē, "change") is the set of life-sustaining chemical reactions in organisms.The three main functions of metabolism are: the conversion of the energy in food to energy available to run cellular processes; the conversion of food to building blocks of proteins, lipids, nucleic acids, and some carbohydrates; and the ...

  6. What Are Digestive Enzymes, and Do You Really Need Them, or ...

    www.aol.com/digestive-enzymes-really-them-just...

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  7. Human digestive system - Wikipedia

    en.wikipedia.org/wiki/Human_digestive_system

    A peptide hormone, gastrin, produced by G cells in the gastric glands, stimulates the production of gastric juice which activates the digestive enzymes. Pepsinogen is a precursor enzyme produced by the gastric chief cells, and gastric acid activates this to the enzyme pepsin which begins the digestion of proteins. As these two chemicals would ...

  8. Lipid metabolism - Wikipedia

    en.wikipedia.org/wiki/Lipid_metabolism

    Digestion is the first step to lipid metabolism, and it is the process of breaking the triglycerides down into smaller monoglyceride units with the help of lipase enzymes. Digestion of fats begin in the mouth through chemical digestion by lingual lipase. Ingested cholesterol is not broken down by the lipases and stays intact until it enters the ...

  9. Digestion - Wikipedia

    en.wikipedia.org/wiki/Digestion

    The term mechanical digestion refers to the physical breakdown of large pieces of food into smaller pieces which can subsequently be accessed by digestive enzymes. Mechanical digestion takes place in the mouth through mastication and in the small intestine through segmentation contractions. In chemical digestion, enzymes break down food into ...