Protista Kingdom Overview
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Questions and Answers

What is the characteristic that unifies protists despite their polyphyletic nature?

  • Their ability to perform photosynthesis
  • Their eukaryotic cells (correct)
  • Their unicellular quality
  • Their ability to consume other organisms

    • What is the primary source of energy for all living things?

  • The sun (correct)
  • Soil
  • Water
  • Atmospheric gases

    • What is the term used to describe organisms that produce their own energy and matter?

  • Heterotrophs
  • Autotrophs (correct)
  • Carnivores
  • Omnivores

    • What happens to the energy and matter of organisms when they die?

    <p>It is broken down and recycled</p> Signup and view all the answers

    What is the result of taking in too much energy?

    <p>Weight gain</p> Signup and view all the answers

    What is the term used to describe organisms that obtain energy and matter by consuming other organisms?

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

    What is a characteristic of protists that distinguishes them from prokaryotic bacteria?

    <p>Their membrane-bound organelles</p> Signup and view all the answers

    What is the primary function of cell membranes?

    <p>To regulate the internal environment of the cell</p> Signup and view all the answers

    What is the process by which cells actively move molecules across the membrane?

    <p>Active transport</p> Signup and view all the answers

    What is the purpose of negative feedback mechanisms?

    <p>To maintain a target level</p> Signup and view all the answers

    What is the energy source for photosynthesis?

    <p>The sun</p> Signup and view all the answers

    What is the process by which cells generate energy from sugar?

    <p>Cellular respiration</p> Signup and view all the answers

    What is the most usable form of energy by cells?

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

    What is the process of breaking down organic molecules to produce ATP?

    <p>Cellular respiration</p> Signup and view all the answers

    What is the byproduct of aerobic cellular respiration from one glucose molecule?

    <p>36 net ATP molecules</p> Signup and view all the answers

    What is the primary pigment that absorbs specific wavelengths of energy in photosynthesis?

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

    What is the type of phosphorylation involved in fermentation?

    <p>Substrate-level phosphorylation</p> Signup and view all the answers

    What is the final electron acceptor in anaerobic cellular respiration?

    <p>Another final electron acceptor</p> Signup and view all the answers

    What is the process that converts energy from sunlight into food in plants and some protists and bacteria?

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

    What is the reverse process of photosynthesis?

    <p>Cellular respiration</p> Signup and view all the answers

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