Why is it necessary to separate oxgynated blood and deoxgynated blood in living organisums?

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 might explain the real-world results, show in the graph to the right, for one class of twenty students? check all that apply.

In what locations does this text suggest you might find zooflagellates living? fresh water lakes on the surface of leaves inside other organisms on damp forest floors