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photosynthesis

vocabulary photosynthesis

termdefinition
Carbon Dioxide a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air (about 0.03 percent) and is absorbed by plants in photosynthesis.
oxygen a colorless, odorless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air.
glucose a simple sugar that is an important energy source in living organisms and is a component of many carbohydrates. a syrup containing glucose and other sugars, made by hydrolysis of starch and used in the food industry.
photosynthesis the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct.
Autotrophs an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
chlorophyll a green pigment, present in all green plants and in cyanobacteria, responsible for the absorption of light to provide energy for photosynthesis. Its molecule contains a magnesium atom held in a porphyrin ring.
chloroplast (in green plant cells) a plastid that contains chlorophyll and in which photosynthesis takes place.
stoma any of the minute pores in the epidermis of the leaf or stem of a plant, forming a slit of variable width that allows movement of gases in and out of the intercellular spaces. ZOOLOGY
guard cells each of a pair of curved cells that surround a stoma, becoming larger or smaller according to the pressure within the cells.
Created by: guissel
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