Biology summary

Biology summary

  • Submitted By: abab0219
  • Date Submitted: 01/11/2015 1:59 PM
  • Category: Science
  • Words: 1070
  • Page: 5

Pages 102-110
Pg. 102: All organisms need a source of energy, whether it is from another organism or an outside source.
Pg. 102: We rely on photosynthesis in our everyday lives.
Pg. 102: Even if there is not sunlight, there are still autotrophs that act as if they use photosynthesis.
Pg. 102 Vocab
Photoautotrophs: An organism that derives energy from light and forms its own organic compounds.
Chemoautotrophs: An organism that derives energy from the oxidation of inorganic compounds.
Pg. 103:There are some organisms that can be a photo autotroph and a heterotroph.
Pg. 103: Photoautotrophs use sunlight to feed and get energy.
Pg. 103 Vocab
Pigments: Any coloring matter or substance.
Pg. 104: The enzymes that are used in photosynthesis are stored in thylakoids in the chloroplast.
Pg. 104: Stacked sacs within the thylakoid membrane are called grana.
Pg. 104: The stroma surrounds the thylakoid and contains the chloroplast’s DNA and the RNA and enzymes needed to make proteins.
Pg. 104 Vocab
Chloroplast: An organelle found in plants and photosynthetic protists.
Pg. 105: Photosynthesis depends on chlorophyll or in some cases rhodopsin.
Pg. 105: There are 3 energy conversions involved in photosynthesis.
Pg. 105 Vocab
Chlorophyll: The green pigments of plants and many microorganisms.
Pg. 106: The events occur in 2 different reactions, the light reaction, and the Calvin cycle.
Pg. 106: The products created in light reactions are used again in the Calvin cycle
Pg. 106: As light reactions occur, water splits into hydrogen and oxygen and light is converted to chemical energy.
Pg. 106 Vocab
Light reactions: The energy-capturing reactions in photosynthesis.
Calvin cycle: The cycle that incorporates carbon dioxide in sugars during photosynthesis.
Pg. 107: People knew how animals develop, but not plants until the 1700’s.
Pg. 107: Van Helmont’s experiment was to take a plant and keep it watered and given sunlight and observe its growth.
Pg....

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