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Chapter 3.2 & 3.3

Chapter 3.2 & 3.3 Science Flashcards

selectively permeable means that some substances can pass through the membrane while others cannot
diffusion the process by which molecules move from an area of higher concentration to an area of lower concentration
osmosis the diffusion of water molecules through a selectively permeable membrane
passive transport the movement of dissolved materials through a cell membrane without using cellular energy
active transport the movement of materials through a cell membrane using cellular energy
photosynthesis the process by which a cell captures energy in sunlight and uses it to make food
autotroph an organism that makes it’s own food
heterotroph an animal that cannot make it’s own food
pigment the green color from chloroplasts come from pigments
chlorophyll the main photosynthetic pigment in chloroplasts
stomata carbon dioxide enters the plant through small openings on the undersides of the leaves called stomata
Created by: Austin H.