An object with uniform acceleration a, starting from rest, will reach a speed of v in time taccording to the formula v at. What is the acceleration of a bicyclist who acceleratesfrom rest to 7 m/s in 4 s?
Friday, May 20, y Enzymes 100 seconds for 1 reaction without enzyme 1 second for 1,000,000 reactions with enzyme Most proteins Catalysts speed up reaction rates Specific for reactions they catalyze salivary and amylase • Ex: carbs —————————> sugars Substrate > bonds in substrate are weakened > products Not changed within reaction Recyclable Have an optimum pH and temperature (depends on kind of enzyme) Organic v. Inorganic Organic Carbon Inorganic no carbon • Exceptions: CO2, CO pH Potential hydrogen Concetration of H+ of a solution pH scale 0 > 7 > 14 1 Friday, Ma