Little Harold overcame his fear of water after two bullies had held him under the water. Although he swam the rest of the season without noticeable fear, on the first day of swimming the next summer, he began to cry and said he was scared. What had occurred?

c

explanation:

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.