What is the temperature at which enzymes work best and worst?

Best-37.5 oC

There is a certain temperature at which an enzyme's catalytic activity is at its greatest (see graph). This optimal temperature is usually around human body temperature (37.5 oC) for the enzymes in human cells

Worst-temperatures above 104 degrees Fahrenheit, 40 degrees Celsius, will start to break them down

Explanation:

what are the options

the "power" of a lens is its resolution power, or its ability to distinguish between to closely located points. with the low power lens, it is likely you will see the rough form of the hay and maybe some movement of dots around the hay. however, when observed with the high power lens, the detailed features of the hay become visible and the microbes being grown are more clearly visible.

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