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Q.
Which of the following statements regarding coenzymes and prosthetic groups of enzymes is not true?
Biomolecules
Solution:
The functional unit of the enzyme is known as holoenzyme which is often made up of apoenzyme (the protein part) and a coenzyme (non-protein organic part) which is easily separable.
$\underset{\text{Active enzyme) }}{\text{Holoenzyme} }\rightarrow \underset{\text{(Protein part) }}{\text{Apoenzyme}} + \underset{\text{(Non-Protein part)}}{ \text{Coenzyme}}$
The term prosthetic group is used when the non-protein moiety tightly binds (covalently) with the apoenzyme. The coenzyme can be separated by dialysis from the enzyme while the prosthetic group cannot be.