What is the hydroxide ion concentration of the lake described in question 3?
a. 10^-10m c. 10^-7m
b. 10^-4m d. 10.0m

enzyme speed up the reactions

because the light is a great source of energy for the plants to survive. (i hope this )

the calvin cycle takes place in the stroma of the chloroplast. carbon dioxide enters the stroma of the chloroplast to combine with the five-carbon compound called ribulose1, 5-biphosphate to form two molecules of a three-carbon compound called 3-phosphoglyceric acid. this reaction is catalyzed by an enzyme called ribulose bi-phosphate carboxylase.