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Descrição
FlashCards por Aafreen Butt, atualizado more than 1 year ago
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Criado por Aafreen Butt
mais de 5 anos atrás
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| Questão | Responda |
| chloroplast | the organelle where photosynthesis occurs |
| chlorophyll | the green pigment that captures light energy |
| limiting factors | the factor in shortest supply when photosynthesis takes place |
| transpiration | loss of water from evaporation via the stomata of the leaves |
| translocation | the way sucrose is transported through the phloem |
| xylem | carries water and dissolves minerals from the roots |
| phloem | carries sucrose to the growing regions of the plants |
| auxin | a plant hormone produced in the roots and shoots that controls growth |
| phototropism | the response of a plant to light |
| gravitropism/geotropism | the response of a plant to gravity |
| hydrotropism | the response of a plant to water |
| biomass | the amount of living material an organism is made up of |
| endothermic | a reaction where heat energy is taken in |
| starch | the form that glucose is stored as in a plant |
| iodine | the chemical reagent that turns blue/black if starch is present |
| stomata | controls what goes in and out of a leaf |
| vascular bundle | tissue containing the xylem and the phloem together |
| cambium | cells that separate the xylem and the phloem |
| companion cell | cells joining phloem vessels that pump sucrose in and out of the sieve cells |
| lignin | found in xylem, prevents cell collapse |
| waxy cuticle | top layer, helps water runoff, reduces water loss, makes sure light can pass through |
| upper epidermis | second layer, lets light through |
| palisade layer/mesophyll | contains chloroplast and chlorophyll, where photosynthesis takes place |
| spongy layer/mesophyll | contains air spaces, increases surface area for gas exchange |
| lower epidermis | bottom layer, keeps leaf together |
| agriculture | the science or practise of farming, including cultivation of soil for the growing of crops and rearing of animals |
| horticulture | growing of fruits, vegetables and flowers |
| gibberellins | plant hormone that makes the stem get longer |
| abscisic acid | plant hormone that inhibits bud from growing |
| ethene | plant hormone that ripens fruit |
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