How can you tell isotopes of the same element apart?

Imagine that twenty i.u.’s of enzyme z were catalyzing the above reaction for one minute, under vmaxconditions, in a 3.00 ml assay volume. the assay is buffered with 20 mm phosphate buffer, ph 7.60. what will the ph be at the end of that one minute?

Chromosome 17 is made of over million base pairs.

If 3 moles of a compound use 24 j of energy in a reaction, what is the a hreaction in j/mol?