Every enzyme has a different what?

Every enzyme has a different catalytic activity.

Explanation:

This means it can be used to do something that other enzymes can't, such as differentiating between sugars in order to change the sugar content of food.  

Another advantage? The wide range of uses for these enzymes when food preparation is approached creatively and with an open mind: With so many diverse tastes and textures to be found among edibles, an ample supply of suitable enzymes could enhance any dish!

a motor homunculus represents a map of brain areas dedicated to motor processing for different anatomical divisions of the body.

homunculus represents the importance of various parts of your body as seen by your brain. as a result, they take up a lot of brain space. although the cortical homunculus is a curiosity, penfield's work in mapping the brain's relationship to the body was invaluable.