• Boundless Biology by Lukas Waller

  • 著者: Lukas Waller
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Boundless Biology by Lukas Waller

著者: Lukas Waller
  • サマリー

  • Ace Grade 12 University Biology (SBI4U). Content covers all nescassary knowledge of all processes and material involved in this difficult course. Hosts Lukas and Tammy will teach you this Grade 12 University Biology (SBI4U) in a format you can listen to whenever you go, weather it be on your commute, at the gym, or while studying your notes.
    Lukas Waller
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あらすじ・解説

Ace Grade 12 University Biology (SBI4U). Content covers all nescassary knowledge of all processes and material involved in this difficult course. Hosts Lukas and Tammy will teach you this Grade 12 University Biology (SBI4U) in a format you can listen to whenever you go, weather it be on your commute, at the gym, or while studying your notes.
Lukas Waller
エピソード
  • 2.1 - Metabolism
    12 分
  • 2.2 - Glycolysis
    13 分
  • 3.4 - CAM and C4 plants
    2024/11/10

    C4 Plants

    • Examples: Maize, sugarcane, sorghum.
    • Adaptation: Found in hot, dry environments to minimize photorespiration.
    • Key Enzyme: PEP carboxylase, which has a high affinity for CO₂ and does not react with O₂, reducing photorespiration.

    Pathway:

    • CO₂ + PEP (3C) → Oxaloacetate (4C)Malate (4C).
    • Malate is transported to bundle-sheath cells, where CO₂ is released for the Calvin cycle.



    CAM (Crassulacean Acid Metabolism) Plants

    • Examples: Pineapple, cacti, succulents.
    • Adaptation: Found in arid environments; adapted to conserve water.
    • Stomata Behavior: Stomata open at night to minimize water loss.
    • Key Enzyme: PEP carboxylase, similar to C4 plants, used for initial carbon fixation at night.

    Pathway:

    • CO₂ + PEP → Oxaloacetate (4C) → Malate (4C), which is stored in vacuoles as malic acid overnight.
    • During the day, malic acid is broken down to release CO₂ for the Calvin cycle.


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    11 分

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