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Potato/ membrane/ eg

QuestionAnswer
What is a membrane that allows all particles to pass called? permeable
What is a membrane that allows only certain particle to pass called? semipermeable
What is a membrane called that does NOT allow any particle to pass called? impermeable
When a potato is placed in tap water, will the potato become less rigid or more rigid? more rigid
When a potato is placed in weak salt water, will the potato become less rigid or more rigid? less rigid
Is OSMOSIS a type of DIFFUSION? YES
Water is most likely to flow INTO a cell in this type of mixture. hypotonic
Water is most likely to flow OUT of a cell in this type of mixture. hypertonic
Water molecules are EQUAL on both sides of the cell in this type of mixture. isotonic
Which membrane represents a plant cell? semipermeable
Which membrane represents an animal cell? semipermeable
TRUE or FALSE. Temperature determines a substances permeability. False
TRUE or FALSE. Size of holes in the membrane determines a substances permeability. True
TRUE or FALSE. Size of particles passing through the membrane determines a substances permeability. TRUE
Which experiments represented examples of OSMOSIS? potato and egg
Eggs have what kind of membrane? semipermeable
Difference between concentrations of a substance in two areas is called? Concentration Gradient
Which particles move the fastest? Solid, liquid, gas gas
A uniform mixing of particles is called? Diffusion
Created by: dmalk
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