BIO 111 Lecture Notes - Lecture 10: Thylakoid, Absorption Spectroscopy, Intermembrane Space
Document Summary
Require only raw materials (water, minerals and a carbon source) to make their own food. Need only water, minerals and co2 + light. So, plants use photosynthesis to make a lot of glucose . Need to use some of those sugars to make atp to live and grow! Require complex organic molecules from other organisms. Carcasses, feces, other debris (plant or animal) Everything that is not an autotroph, is a heterotroph! Photosynthesis occurs in the green parts of plants, leaves, stems etc. Inside cells, inside the chloroplasts, in/on the thylakoid membranes. Chloroplasts - organelles that carry out photosynthesis. Majority of photosynthesis occurs in leaves in mesophyll cells. Stomata- openings; co2 enters and oxygen exits leaf. Stroma: fluid filled region between thylakoid membrane and chloroplast"s inner membrane. Light reactions happen in the thylakoid membranes. Splits h2o to form atp, nadph, o2. Dark reactions (calvin cycle) in stroma. Takes atp and nadph from light reactions + co2 to make sugar.
