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28 Terms
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photosynthesis
The process in which plants use the energy of sunlight to make high-energy carbohydrates
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adenosine triphosphate
a compound consisting of an adenosine molecule bonded to three phosphate groups, present in all living tissue.
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ATP synthase
the enzyme that makes ATP molecules
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chlorophyll
a pigment present in all green plants and a few other organisms.
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photosystem
a biochemical mechanism in plants by which chlorophyll absorbs light energy for photosynthesis.
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thylakoid
a disk-shaped, membranous sac containing chlorophyll, in which the light reaction of photosynthesis occurs, found in blue-green algae and in the chloroplasts of green plants.
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autotroph
they make there own food
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heterotroph
an organism that eats other plants or animals for energy and nutrients
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capillary action
the movement of water within the spaces of a porous material due to the forces of adhesion, cohesion, and surface tension.
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adhesion
the attraction of molecules of one kind for molecules of a different kind.
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style
a structure found within the flower.
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petal
modified leaves that envelop a flower's reproductive organs.
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sepal
defensive organ that encloses and protects the developing reproductive structures.
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pollen cone
small collection of cells that are part of the male part of the plant that assists with plant fertilization.
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stamen
the male reproductive organs of flowering plants.
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light dependent
convert light energy into chemical energy.
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Calvin Cycle
the cycle of chemical reactions where the carbon from the carbon cycle is fixed into sugars.
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NADP
a biological carrier of reducing equivalents
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stigma
the part of the pistil where pollen germinates.
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carpel
leaflike, seed-bearing structures that constitute the innermost whorl of a flower.
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anther
comprises sac-like structures known as microsporangia which produce pollen for the process of pollination to occur.
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xylem
plant vascular tissue that conveys water and dissolved minerals from the roots to the rest of the plant and also provides physical support.
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phloem
plant vascular tissue that conducts foods made in the leaves during photosynthesis to all other parts of the plant.
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ovary
enlarged basal portion of the pistil, the female organ of a flower.
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pigment
any coloured material found in a plant or animal cell.
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filament
a single thread or a thin flexible threadlike object, process, or appendage.
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seed cone
are compact branching systems composed of reiterated units that typically consist of two separate structures: a bract, or modified leaf, that subtends an ovuliferous scale, which is a modified seed-bearing shoot
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stroma
the cells and tissues that support and give structure to organs, glands, or other tissues in the body.