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Osmosis quiz

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Termini in questo insieme (10)

  • In which type of solution does crenation occur, causing cells to lose water and shrink?
    Crenation occurs in hypertonic solutions where cells lose water and shrink.
  • What type of solution is perfect for animal cells: hypotonic, isotonic, or hypertonic?
    Animal cells prefer isotonic solutions to maintain their size and avoid lysis or dehydration.
  • What primarily creates plasma oncotic pressure in the blood?
    Plasma oncotic pressure is primarily created by proteins, particularly albumin, in the blood.
  • What is the osmolarity of the filtrate at the end of the proximal tubule?
    The osmolarity of the filtrate at the end of the proximal tubule is typically isotonic to plasma.
  • Why is excretion important in order to achieve osmotic balance?
    Excretion helps remove excess solutes and water, maintaining osmotic balance and preventing cell damage.
  • What strategies do organisms use to maintain osmotic balance?
    Organisms use osmoregulation and active transport to maintain osmotic balance.
  • What type of solution is typically preferred in animals: hypotonic, isotonic, or hypertonic?
    Animals typically prefer isotonic solutions to maintain cellular homeostasis.
  • What happens when body cells are placed in a hypertonic solution?
    In a hypertonic solution, body cells lose water and shrink, leading to dehydration.
  • What percentage of water was absorbed?
    The percentage of water absorbed depends on the specific context and conditions, such as the type of solution and cell type.
  • How does water move during osmosis in terms of solute concentration?
    During osmosis, water moves from areas of lower solute concentration (hypotonic) to areas of higher solute concentration (hypertonic).