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Chapter 7 Microbial Nutrition

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  • Cells are made up of mostly _____.
    water
  • Protein channels in a membrane allow ____ particles and ____ molecules to pass through.
    charged, larger
  • Active transport moves molecules ____ their concentration gradient.
    against
  • The plasma membrane is made up of mostly ____ in a ____.
    phospholipids, bilayer
  • Microbes take a bite via ____ and a sip via ____.
    phagocytosis, pinocytosis
  • Micronutrients include ____ and ____.
    vitamins, minerals
  • Water molecules move across cell membranes by ___ channels.
    aquaporin
  • ____ molecules, including ____, pass freely through membranes.
    Nonpolar, respiratory gasses or lipids
  • Macronutrients include ____, ____, and ____.
    carbs, fats, proteins
  • Microbial eating is done via ____ ____.
    membrane transport
  • Osmosis is the movement of ___ towards ___.
    water, solute
  • Passive transport moves molecules ____ their concentration gradient.
    down, with
  • The most common elements of life are ______.
    CHONPS
  • _____ ______ occurs when a substance moves down its concentration gradient without help.
    Passive diffusion
  • A cell will swell in a ____ solution and crenate/shrink in a _____ solution.
    hypotonic, hypertonic
  • Organic compounds must include ____ and ____.
    carbon and hydrogen
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