Bio Exam 2

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Author:
Anonymous
ID:
71623
Filename:
Bio Exam 2
Updated:
2011-03-08 15:20:58
Tags:
bio
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Description:
biology
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  1. Any substance dissolved in water is called a/an
    Solute
  2. If solution A has a higher concentration of solutes than does solution B, then A is _____ to B
    hypertonic
  3. If organism is an osmoconformer, then relative to its environment it is _____________
    isotonic
  4. When a solute crosses a membrane by diffusion, this is a case of
    passive transport
  5. When water crosses a membrane by diffusion, this is a case of _____.
    Osmosis
  6. Osmolarity is a measure of ______.
    solute concentration
  7. When cells use energy to move solutes across a membrane from a solution of lower concentration to one of higher concentration, this is called ___________.
    Active Transport
  8. Because they get their energy by eating other organisms, animals usually need to excrete excess _______.
    Nitrogen compounds
  9. What kind of animals tend to passively gain water and lose electrolytes?
    Freshwater vertebrate fish
  10. If solution A has higher osmolarity than does solution B, then B is _____ to A
    hypotonic

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