"in year three, the farmer discontinued the use of the insecticide. which statement would best predict the population in generation 4?
(1)the nonresistant aphid would become extinct.
(2)the nonresistant aphid population would likely increase.
(3)the resistant aphid would mutate to a nonresistant aphid.
(4)the plants would be free of insect populations."

What are the four basic classes of organic molecules how do they differ structurally and functionally

Which process can increase the rate of greenhouse gas emissions into the atmosphere in response to a decrease in albedo

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