The water inside a teacup is very hot, about 80 degrees Celsius The water inside a large bathtub is warm, about 40 degrees Celsius. Which has the greater average kinetic energy

1. environmental factors, such as ph and temperature, can affect the function of an enzyme. a. true b. false 2. which of the following is an organic molecules (ex. vitamins) that an enzyme? a. coenzyme b. product c. active site d. substrate 3. how do enzymes effect the speed of a chemical reaction? a. they speed it up b. they slow it down c. they have no effect on the speed of a reaction 4. during a chemical reaction, an enzyme is used up so that it can only be used one time. a. true b. false 5. which of the following results from a chemical reaction that is catalyzed by an enzymes? a. active site b. product c. substrate d. coenzyme

What are charcteristics of lithosphere?

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution