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CH 10 Bio Quiz

QuestionAnswer
Autotrophs “self feeders” they sustain themselves from eating anything derived from other living beings (plants)
2 stages of photosynthesis 1. Light Reaction (solar energy captured and transformed to chemical energy.2. Calvin Cycle (Chemical energy is used to make organic molecules of food)
Chlorophyll Gives plants their color green, (green pygmint in chloroplast). Resides in the Thylakoid Sacs
Chloroplast found mainly in the cells of Mesophyll (tissue of interior leaf)
Stomata process which carbon dioxide enters the leaf and oxygen exits by way of microscopic pores called Stomata
Thylakoid sacs stacked in collums called Grana
Granum stack of thylakoid sacs
Cell Respiration energy released fr sugar when e- assoc w. H are transported by carriers to O, forming h20 as a byproduct. E- lose potential energy as they fall down the e- transport chain toward electronegative O, and the mitochondrion harness that E to synthesize ATP.
Photosynthesis reverses the direction of e- flow. h20 is split, and e- are transferred along with h+ ions from the h20 to co2, reducing it to sugar. Because the e- increase in potential energy as they move from water to sugar this process requires energy…..Light
Light Reactions h2o is split, providing a source of e- & P, giving off o2 as buyproduct.Light absorved by chlorophyll drives a transfer of e- and H ions form the h20 to an acceptor called NADP+ where they are temp stored. atp. no sugar
Wave Length the distance between the crests of electromagnetic energy. shorter the wave length greater energy of each photon
Electromagnetic Spectrum the entire range of radiation
Carotenoids protectors--compounds absorb and dissipate ecxessive light energy that would otherwise damage chlorophyll or interact with oxygen molocules that are dangerous to the cell
Created by: RjRose
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