Patrick McKeown Physics 1A Musumeci March 4, 2008
The Physics Behind the Powerball
The Powerball is a wrist exercise tool that contains a gyroscope inside a plastic shell. Once the gyroscope is started spinning manually, the user rotates his or her
Enzymes and Enzyme Class
Introduction to Enzymes
1. What is the purpose of an enzyme?
It is a protein molecule that is used as a biological catalyst in order to speed up a biochemical reaction.
2. What are the 4 general properties of an enzyme?