General Biology 1 Week 1: ATP-ADP Cycle Quiz
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Questions and Answers

In the ATP-ADP cycle, what process involves the addition of phosphate to an organic compound?

  • Catabolism
  • Regeneration of ATP
  • Phosphorylation (correct)
  • Hydrolysis
  • What is the main function of ATP in a cell?

  • Pumping of substances across membranes
  • Breaking down bonds between the phosphate groups
  • Conversion of energy from food molecules into smaller amounts needed for cell reactions (correct)
  • Synthesis of polymers from monomers
  • What type of work in a cell involves the beating of cilia and contraction of muscles?

  • Chemical Work
  • Mechanical Work (correct)
  • Hydrolysis Work
  • Transport Work
  • How is ATP regenerated in a cell?

    <p>By the addition of phosphate to ADP</p> Signup and view all the answers

    What is the source of free energy for phosphorylating ADP to form ATP?

    <p>Catabolism</p> Signup and view all the answers

    What is the primary function of the ATP cycle?

    <p>To shuttle inorganic phosphate and energy</p> Signup and view all the answers

    Where are chlorophyll-containing membrane discs known as thylakoids found?

    <p>Inside the chloroplast</p> Signup and view all the answers

    Which plant pigment is responsible for the yellow, bright red, and orange colors in vegetables and fruits?

    <p>Carotenoids</p> Signup and view all the answers

    What is the role of chlorophyll in the chloroplast?

    <p>To absorb blue and red light</p> Signup and view all the answers

    What is the importance of plant pigments in relation to visible light?

    <p>They absorb visible light of different wavelengths</p> Signup and view all the answers

    Study Notes

    ATP-ADP Cycle

    • Phosphorylation involves the addition of phosphate to an organic compound
    • The main function of ATP in a cell is to provide energy
    • ATP is regenerated in a cell through cellular respiration, where energy from the breakdown of glucose is used to phosphorylate ADP

    Cellular Work

    • Mechanical work in a cell involves the beating of cilia and contraction of muscles

    Energy Source

    • The source of free energy for phosphorylating ADP to form ATP is the energy from the breakdown of glucose

    ATP Cycle

    • The primary function of the ATP cycle is to provide energy for cellular processes

    Photosynthesis

    • Chlorophyll-containing membrane discs known as thylakoids are found in chloroplasts
    • Carotenoids are plant pigments responsible for the yellow, bright red, and orange colors in vegetables and fruits
    • Chlorophyll plays a crucial role in the chloroplast by absorbing light energy and transferring it to other molecules
    • Plant pigments are important for absorbing specific wavelengths of visible light, which is necessary for photosynthesis

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    Test your understanding of the ATP-ADP cycle, hydrolysis, phosphorylation, and the functions of adenosine triphosphate (ATP) in cellular work such as chemical work and transport work.

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