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C7) PS & Resp.

Energy is obtained from the environment and is transformed in the cell.

QuestionAnswer
Define photosynthesis. A process which occurs in the green cells of a plant whereby carbon dioxide and water are combined in the presence of light to form a sugar and release oxygen.
Define chemo-autographs. Organisms which are capable of using energy from inorganic chemicals and reactions to make their own food, particularly bacteria.
Define hyperthermophiles. Primitive bacteria which live beneath the Earth crust at temperatures often above 100 degrees.
Define mesophyll cells. Plant cells which have a pigment, usually chlorophyll. Spongy and palisade.
Word equation for photosynthesis? Water + carbon dioxide -> glucose + oxygen
Define cuticle. The outermost part of a leaf, particularly on the upper surface. It is waterproof, transparent, consist of wax produced by the epidermis and provides protection for plant cells.
Define upper epidermis. A tightly packed layer of transparent cells on the upper surface of a lead which are normally protected by a cuticle.
Define palisade mesophyll. Long closely packed cells in the leaf which contain chlorophyll and conduct photosynthesis.
Define spongy mesophyll. A tissue in the lead which consists of photosynthetic cells containing chloroplasts separated by air spaces.
Define vascular tissue. Cells that are able to transport water and nutrients throughout a plant.
Define stomates. A structure in the epidermis of a lead which regulates the diffusion of gases into and out of the lead. Consists of two guard cells and a pore.
Define ATP. Adenosine triphosphate. Is able to store and transport energy in usable amounts to other parts of the cell.
What is ATP made of? An adenine base, a pentose sugar and three phosphate groups.
Describe the ATP/ADP energy cycle? ATP is broken down to release free energy to form ADP + P. The energy from respiration reactions turns ADP + P into ATP.
Define metabolism. All the chemical reactions occurring within an organism.
Define anabolism. Reactions that occur in cells building up larger molecules from small ones.
Define catabolism. Reactions that occur in cells breaking down larger molecules to small ones.
Define lower epidermis. The layer of cells on the underside of a leaf which are normally closely packed together and contain small pore called stomates.
Created by: MahaliaMcD
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