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plant process
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Term | Definition |
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photosynthesis | the process by which a green plants turns water and carbon dioxide into food when plant is exposed to light |
respiration | the act or process of breathing |
stoma | a small opening which is surrounded by two guard cells and through which moisture and gases pass in and out of the epidermis of a leaf |
guard cell | each of a pair of curved cells that surround a stoma, becoming larger or smaller according to the pressure within the cells. |
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 |