Below are the conversion factors between a few measurements I've just made up. 12 ab = 5 cd 2 cd = 1 xy If the average male is 48 ab, how many xy is he?

Awater molecule is polar because there is an uneven distribution of these between the oxygen and hydrogen atoms.

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

Which of the organisms listed below performs nitrogen fixation? a. legumes b. plants c. bacteria d. fungi