First, he should measure how long it takes for the liquid to become clear if X and Y are mixed together. Then, he should measure how long it takes if he also adds substance A to X and Y. He will find out if substance A is a catalyst.
Above a pH of 7, pepsin becomes irreversibly denatured. Pepsin was the first enzyme to ever be discovered, and it was discovered by <span>Theodor Schwann.</span>
PLATO USERS
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[ Found Dead On The Shore ]
[ Medium Size ]
[ Animal-Like ]
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[ a ] as nekton
[ b ] as a benthic organism
[ c ] as plankton
[ d ] <u><em>"There Is Not Enough Information To Tell."</em></u>
Agriculture is the greatest use of groundwater.
Hope this helps!