photosynthesis and cell resp

Cards (19)

  • where do plants get most of their mass?
    carbon dioxide (CO2)
  • what are the inputs and outputs of photosynthesis?
    Inputs (reactants) = CO2 (carbon dioxide), H2O (water), Sunlight
    Outputs (products) = O2 (oxygen), C6H12O6 (glucose)
  • what are the products of light reactions?
    Oxygen, ATP, NADPH
  • how do plants capture light energy and why do they have a mixture of this material?
    plants use pigments like chlorophyll to capture wavelengths of light, diff pigments are due to specificity of light captured
  • what are the 3 phases of the calvin cycle?
    carbon fixation, carbon reduction, RuBP regeneration
  • what are the inputs/outputs of CO2 fixation?
    inputs: 3 CO2, 3 RuBP
    outputs: 6 3-PGA
  • what are the inputs/outputs of CO2 reduction?
    inputs: 6 3-PGA, 6 ATP, 6 NADPH
    outputs: 6 G3P, 6ADP, 6 NADP+
  • the inputs/outputs of RuBP regeneration?
    3 ADP, 3 RuBP
  • What drives the ATPSynthase to produce ATP inthe Electron TransportChain?
    the electrochemical gradient of H+ (hydrogen ions)
  • Describe how the pH of the Carbon Dioxide Solution informs you of which metabolic pathway was active during the algae beads lab.
    A low pH, acidic, informs us that Cellular Respiration was active. Cellular Respiration produces Carbon Dioxide, which will lower the pH. A high pH, basic, informs us that Photosynthesis was active. Photosynthesis removes Carbon Dioxide from the environment, which will increase the pH.
  • In the reaction below, what is being oxidized and what is being reduced?

    C6H12O6 + 6O2 ---> 6CO2 + 6H2O + Energy
    C6H12O6 and 6CO2 becomes oxidized while 6O2 and 6H2O becomes reduced
  • Which products from Glycolysis and the Citric Acid Cycle (Krebs Cycle) are used in the Electron Transport Chain, and how are they used?
    Glycolysis produces NADH, The Citric Acid Cycle (Krebs Cycle) produces NADH and FADH2, NADH is used within Complex I of the ETC and FADH is used in Complex II of the ETC --- both are electron carriers
  • What are the input and output molecules for Glycolysis
    input: Glucose, (2) ADP, (2) NAD+

    output: (2) Pyruvate, (2) ATP, (2) NADH
  • What are the input and output molecules for the citric acid cycle (Krebs cycle)
    input: (2) Pyruvate, (2) Acetyl CoA, (8) NAD, (2) FAD

    output: (2) ATP, (8) NADH, (2) FADH
  • What are the input and output molecules for electron transport chain
    input: (10) NADH, (2) FADH2, O2

    output: (34-38) ATP, (2) H2O
  • what does it mean for a molecule to be reduced/oxidized?
    reduced: molecule gains an electron
    oxidized: molecule looses an electron
  • How does CO2 and O2 enter and exit the leaf?
    through the stomata
  • where do light reactions take place?
    where does the calvin cycle take place?
    light reaction: thylakoids
    calvin cycle; stroma
  • Breakdown of Light Reactions
    1. Light Reactions split H2O
    2. release O2 as a byproduct
    3. PSII is the first in order and the H+ ions are pumped into the lumen
    4. The electron is carried to PSI where it will later reduce NADP+ intoNADPH
    5. Pumped H+ ions create a gradient which is pumped through ATP Synthase to makemore ATP.