phot. & resp.

phot. & resp.

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Term Definition
phototsythesis A process by which plants convert sunlight, water, and carbon dioxide into food energy (sugar), oxygen and water
cellular respiration The process by which the chemical energy of 'food' molecules is released and changed into ATP
chloroplast An elongated cell organelle containing chlorophyll where photosynthesis takes place.
chlorophyll A green molecule which uses light energy from sunlight to change water and carbon dioxide gas into sugar and oxygen
glucose A simple sugar that is an important energy source in living organisms
mitochondria Rod shaped organelles with a double membrane which converts the energy stored in glucose into ATP for the cell
photosynthesis equation water(H2O) + carbon dioxide(CO2) + light + glucose(C6H12O6)
Respiration equation oxygen(O2) + glucose(C6H12O6) + water(H2O) + carbon dioxide(CO2) + energy(ATP)
carbon dioxide A colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air and is absorbed by plants during photosynthesis
diffusion Is the net passive movement of particles from a region in which they are in higher concentration to regions with lower concentration.
osmosis A process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concenrated solution, into a more concentrated one.
active transport the movement of ions or molecules across a cell membrane into a region of higher concentration assisted by enzymes and requiring energy

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