PLEASE HELP THIS IS DUE IN 30 MINUTES NO LINKS OR I'LL REPORT Hormones
a. regulate activities of body tissues and organs
b. are produced by endocrine glands
c. act on target tissues and organs
d. all of the above

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

Whay is the following best defines climate

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?