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Bio Lect Exam 2

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QuestionAnswer
What is an autotroph? Plants that make their own energy via photosynthesis. Sunlight>CO2>mud. Take apart simple sugar molecules.
What is a heterotroph? An organism has to go out to find food and ingest it.
What are chloroplasts? Plants have evolved this special organelle.
What is the color spectrum wave length? From high to low: Gamma rays,x rays, uv rays,infrared heat,radio waves.
What color frequency do plants use? Blueish and reddish frequency
What is light dependent reaction? Need light to work, utilize high electron molecules
What does NADPH do? carry energy using ATP to make enough energy to use to make sugar molecule
What occurs in Photosystem I? Chlorophyll hit by sunlight energy,electrons within chlorophyll absorb energy at 700 nm to excite electrons to bounce up to another orbital.Excited electrons are grabbed by electron receptor molecule. For every 2 electrons you make an ATP.
What occurs in photosystem II? (2 ADP make 2 ATP) to photosystem I apart of electron acceptor 2. 2 ATP grabbed by NADPH molecule to take to light independent reaction to make sugar molecule
What is photolysis? Slice H2O into 2 hydrogen + 2 electrons +1 Oxygen =NADPH, 2 electrons get lost to be replaced. Oxygen given off as waste gas
What is the Calvin cycle? Keep putting in 6 carbon dioxide help for sugar molecules to eventually store the sugar as starch to use in aerobic respiration
What is the function of light independent reactions? Make sugar molcules
Created by: sarahclay13
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