Lysis in distilled water, normal shape in 0.9% NaCl and plasmolyse in 6% NaCl

Prof Smith: Lysis will happen to the red blood cell in distilled water and in 0.9% the red blood cell will keep its normal cell shape. However, in 6% NaCl solution the red blood cell will not plasmolyse. Why is that do you think?

 

You: Only plant cells can plasmolyse in hypertonic solution like NaCl! This is because they have a cell wall and the plasma membrane can detach from it as the water molecules are moving out of the cell. The red blood cells do not have a cell wall. There shape will be destroyed, they will shrivel and look like a raising like we say in the Slide 6!

 

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  • Lysis in distilled water, normal shape in 0.9% NaCl and shrivel in 6% NaCl
  • Lysis in distilled water, normal shape in 0.9% NaCl and swelling in 6% NaCl

Map: CS3 - ΚΥΤΤΑΡΙΚΗ ΔΟΜΗ ΚΑΙ ΛΕΙΤΟΥΡΓΙΑ (991)
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  • Observation under the microscope (animal cell)
  • Costi iubește o fată.
  • Costi și tatăl său se distrează.
  • Coopera com os colegas.
  • Ele está a pensar no que comer.
  • Costi adoră câinii.
  • Continue to consider the movement of water
  • A fire extinguisher is used when there is a fire in the lab. We use the fire blanket to put out the fire on a person (STOP, DROP, ROLL)
  • We use both of them to put out a fire on an object not on a person
  • Cell observation after 12-18 hrs incubation
  • Carga bacteriana
  • The spectrophotometer (The centrifuge)
  • Dragostea lor este unică.
  • Lysis in distilled water, normal shape in 0.9% NaCl and plasmolyse in 6% NaCl

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