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The energy yield in terms of ATP is high...

The energy yield in terms of ATP is higher in aerobic respiration than during anaerobic respiration. Why is there anaerobic respiration even in organism that live in aerobic condition like human beings and angiosperms ?

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Aerobic resipration occurs in normal conditions in human beings. Under intense conditions such as excercises heavy, muscles demand too much energy (ATP) and consume much more oxygen to produce that energy.
This high consumption leads to oxygen scarcity and the muscle celsl being to make under acid by anaerobic respiration to fulfill their energetic , Similiarly , yeast cells under dificeient conditions of oxygen carry out anaerobic respiration, forming ethyl alcohol and `CO_(2)`
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Knowledge Check

  • During anaerobic respiration in yeast

    A
    Water and `CO_(2)` are end products
    B
    `CO_(2),C_(2)H_(5)OH` and energy are end products.
    C
    `H_(2)S,C_(6)H_(12)O_(6)` and energy are the end products.
    D
    `H_(2)O,CO_(2)` and energy are the only end products.

  • The aerobic respiration yields

    A
    `8NADH_(2)`, 2FAD`H_(2)`, 2ATP
    B
    10NAD`H_(2)`, 2FAD`H_(2)`, 38ATP
    C
    12NAD`H_(2)`, 30ATP, `H_(2)O`
    D
    10NAD`H_(2)`, 2FADH_(2)` ,2GTP, 2ATP

  • More energy is produced in aerobic respiration than anaerobic respiration because in anaerobic respiration

    A
    Food is incompletely oxidised
    B
    Very few enzymes are involved
    C
    Oxygen is not required
    D
    Alcohol is produced

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