Question

What temperature does the enzyme have a speed of zero

Answer 1

Enzyme activity is also a chemical reaction of sorts. reactions are slower at low temperatures. At 0 C enzyme activity is very low.

There may be some edge cases (thermophiles, whatever the cold end equivalent is called) but in most cased there is little enzyme activity at either 0 and 100 deg C

Answer 2

At 0° and 100°

Step-by-step explanation:

At 0° the enzymes become inactive making their speed zero and at 100° the enzymes become denatured which also makes their speed zero.