In a metabolic pathway, reaction ensue haphazardly and enjoy nil to do beside one another?

a- True
b- False

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Answers:

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Way false. Precursors require enzymes to be modified, enzymes in turn require cofactors which require signals, and final products can inhibit or activate even other pathways.

Nothing arbitrary about any of it :D

EDIT: Just to clarify, the actual reactions of metabolic pathways COULD be considered unsystematic, as most of them depend on the relatively random interaction of an enzyme with its substrate. The reactions inside the pathway, however, absolutely do have to do with one another. Pathways can't proceed short the previous step occurring successfully.

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I know that in a metabolic pathway the products of one enzyme enhanced reaction are the substrates of another enzyme enhanced reaction. I don't exactly know what your don told you but I do know that much.

I think if the substrates and enzymes were together, the reactions would come to pass regardless and are thus haphazard.

I don't think they have nil to do with one another because product becomes substrate for the next hostile response...

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