During photosynthesis, chlorophyll, which gives plants a green pigment, converts sunlight energy into chemical energy stored in adenosine triphosphate (ATP) molecules. These molecules contain the sugar ribose and the phosphates plants need to power metabolic functions. They also store energy at night, when plants don't photosynthesize.
About this Author
A freelance writer, Judy Wolfe has owned Prose for the Pros, a freelance writing business, since 2006. She's been an inveterate traveler since 1961 and draws on her travel experiences to provide articles for such websites as Chincoteague Island Vacations and Berlin Dude. Wolfe holds a Bachelor of Arts in literature from California State University at Pomona.