Study GuidePlant Biology–Photosynthesis1. Details of Photosynthesis in Plants1.1Introduction to PhotosynthesisPhotosynthesis is a series of chemical reactions that help plants make their own food. Thesereactions happen at specific places inside plant cells and at specific times. Special proteins calledenzymescontrol and speed up all these reactions.Although we usually study photosynthesis in plants, the basic process is similar inalgaeandcyanobacteria. Many steps happen extremely fast—within nanoseconds—but learning them step bystep makes the process easier to understand.Photosynthesis mainly takes place insidechloroplasts, and it can be divided into two major stages:1.Light reactions(energy-transferring reactions)2.Carbon fixation reactions(Calvin cycle)Preview Mode
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