Which of the following is true of an exergonic chemical reaction?
a. reactants lose mass as products are formed.
b. bonds are broken in reactants and new bonds are formed in products.
c. no activation energy is required to initiate it.
d. the energy released is captured by a catalyst.

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

A60-tooth gear is connected to a 72-tooth gear. if the smaller gear turns 12 times, how many turns does the larger gear make?

Why is it to call the calvin cycle the light independent reactions vs the dark reactions