Coenzymes

Coenzymes are not used up in the reactions in which they assist (for example: a coenzyme may act as a reduction/oxidation agent or agent of a similar transfer).
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coenzymes - Small molecule tightly associated with an enzyme that participates in the reaction that the enzyme catalyzes, often by forming a transient covalent bond to the
substrate.
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Coenzymes may be covalently bound to the protein part (called the apoenzyme) of enzymes as a prosthetic group. Others bind more loosely and, in fact, may bind only transiently to the enzyme as it performs its catalytic act.
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coenzymes: organic molecules that act as cofactors, such as NAD and FAD.
cofactors: ions or molecules that associate with enzymes and are required for enzymatic reactions to take place.
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Coenzymes
Many enzymes require a cofactor to assist in the reaction. These "assistants" are nonprotein and may be metal ions such as magnesium (Mg++), potassium (K+), and calcium (Ca++).
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coenzymes Chemicals required by a number of enzymes for proper functioning; also known as enzyme cofactors.
cohesion The force that holds molecules of the same substance together.
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flavin-linked dehydrogenases Dehydrogenases requiring one of the riboflavin coenzymes, either FMN or FAD. flavin nucleotides Nucleotide coenzymes containing riboflavin, either FMN or FAD.
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An organic molecule required in the diet in very small amounts; vitamins serve primarily as coenzymes or parts of coenzymes.
viviparous
(vy-vip-er-us) ...
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Molecule Enzyme Reaction type Reactants/
Coenzymes Products/
Coenzymes
I. Citrate ...
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Electron Transport System The final stage of respiration; a series of enzymes and coenzymes on the inner membrane of mitochondria functioning in the transfer of electrons and the resulting synthesis of ATP.
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The fluorescence from endogenous cell constituents such as NADH, riboflavin and flavin coenzymes, which can contribute to background levels during cell imaging.
CAGED COMPOUNDS ...
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Vitamin
An organic compound that is required in relatively small amounts for growth of an organism. Vitamins often function as coenzymes.
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