Meiosis is an important part of life which only occurs in the sex cells of a variety of different organisms. The type of cells produced by meiosis are called: *
A. prokaryotes
B. nuclei
C. chromosomes
D. gametes

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

Long term exposure to waves can cause sunburns and skin cancer.

What do nitrifying bacteria convert