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  2. 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 ...

  3. Mitochondrial shuttle - Wikipedia

    en.wikipedia.org/wiki/Mitochondrial_shuttle

    The two main systems in humans are the glycerol phosphate shuttle and the malate-aspartate shuttle. The malate/a-ketoglutarate antiporter functions move electrons while the aspartate/glutamate antiporter moves amino groups. This allows the mitochondria to receive the substrates that it needs for its functionality in an efficient manner. [1]

  4. Photosynthesis - Wikipedia

    en.wikipedia.org/wiki/Photosynthesis

    The excited electrons lost from the reaction center of photosystem I are replaced by transfer from plastocyanin, whose electrons come from electron transport through photosystem II. Photosystem II, as the first step of the Z-scheme , requires an external source of electrons to reduce its oxidized chlorophyll a reaction center.

  5. Cellular respiration - Wikipedia

    en.wikipedia.org/wiki/Cellular_respiration

    From there the NADH and FADH go into the NADH reductase, which produces the enzyme. The NADH pulls the enzyme's electrons to send through the electron transport chain. The electron transport chain pulls H + ions through the chain. From the electron transport chain, the released hydrogen ions make ADP for an result of 32 ATP.

  6. Bioenergetics - Wikipedia

    en.wikipedia.org/wiki/Bioenergetics

    Bioenergetics is a field in biochemistry and cell biology that concerns energy flow through living systems. [1] This is an active area of biological research that includes the study of the transformation of energy in living organisms and the study of thousands of different cellular processes such as cellular respiration and the many other metabolic and enzymatic processes that lead to ...

  7. Food poisoning is extremely common. But that doesn't ... - AOL

    www.aol.com/food-poisoning-extremely-common...

    Food poisoning, also known as foodborne illness, is a common sickness caused by swallowing food or liquids that contain harmful bacteria, viruses or parasites, and sometimes even chemicals.

  8. Savings interest rates today: Why earn peanuts when ... - AOL

    www.aol.com/finance/savings-interest-rates-today...

    At a press conference following December's FOMC meeting, Federal Reserve Chair Jerome Powell said about future Fed rate changes, "We’re not on any preset course," adding, "we're going to be ...

  9. Oxidative phosphorylation - Wikipedia

    en.wikipedia.org/wiki/Oxidative_phosphorylation

    The electrons are then transferred through a series of iron–sulfur clusters: the second kind of prosthetic group present in the complex. [20] There are both [2Fe–2S] and [4Fe–4S] iron–sulfur clusters in complex I. As the electrons pass through this complex, four protons are pumped from the matrix into the intermembrane space.

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