Identify the independent variable in the experiment represented in Figure 3B. Justify the use of hair from individuals unaffected with FT as the control in the experiment represented in Figures 3A and 3B . Based on the data in Figure 3B, describe the FT effect of the disorder on the proportion of hairs in the growth phase. Based on Figure 2, if individuals 3 and 4 have another child, calculate the probability that the child will be affected.

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

Ialready know the answers to these questions and they are on the attachment. but i just need to know why that answer is the correct one. plz asap! this is for a report that i need to email by 10!

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