chemistry crossword

[foxygirl]

I have just two answers to go to complete this. Help would be appreciated.

The regulation of a metabolic pathway by the availability of the products of that pathway. ??e?b???
an inorganic factor that activates an enzyme ??????o??

[grasscarp]

you have already been answered when you posted this in another category. feedback and forget the other one, but saw it just now.

[foxygirl]

I think you should check your facts as a similar question was answered earlier but not the questions that I now ask.

[foxygirl]

I apologise Grasscarp the last question was answered but not the 1st one which I still need.

[grasscarp]

the first one was feedback and the other suggested as cofactors