Which of the following statements are true with respect to enzyme activity?
a) Enzymes speed up the reaction rate.
b) Enzymes are regenerated when the reaction is completed.
c) Enzyme reactivity is not affected by change in pH and temperature.

coal is not sustainable because it will one day run out.

the correct answer, according to e2020, is the second choice there is an occluded front in region a and a cold front in region b.

i think the answer is c hope this

1) a

2)c

3)a

4)c

5)b

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