This questions has been a headaching me for a while. Please if anyone knows this answers?!

What are fructose and glucose an example of?

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?

Describe at least two advantages and two disadvantages of using hydropower as a source of energy.