The activation energy of a reaction can be decreased by A.
increasing the concentration of the reactants.

B.
increasing the temperature.

C.
increasing the pressure of gaseous reactants.

D.
adding a catalyst.

The trp operon in e.coli regulates genes that code for enzymes required for synthesis of the repressible operon. when tryptophan is not available amino acid tryptophan. the trp operon is a in the environment, the trp repressor protein activeinactiveregulated. therefore, rna polymerase can bind to the genes to begin transcription.

Which enzymes break down carbohydrates?

What substance acts to prevent sudden ph changes in bodily fluids?