Which is the only substance involved in osmosis? alcohol salt sugar water If a s
ID: 148535 • Letter: W
Question
Which is the only substance involved in osmosis?
alcohol
salt
sugar
water
If a solution outside of a cell has a lower concentration of solutes inside of a cell, it is referred to as what?
hypotonic
facilitated
hypertonic
isotonic
In an electron microscope, what type of cells are used?
dead, but fresh cells
live and fresh cells
dead, processed cells
live, processed cells
Which model best describes the observations and functions of the plasma membrane?
phospholipid bilayer
cell membrane
fluid mosaic model
nuclear envelope
Explanation / Answer
Water is the substance involved in osmosis. It is defined as the movement of liquid solvent through semi permeable membrane from high solute concentration to low solute concentration. While the liquid can be any solvent, term osmosis is closely associated with water.
Hypotonic solution has concentration of solute greater inside the cell than outside. This leads to turgidity and bursting of cells.
Electron microscope uses dead but fresh cells.
Fluid mosaic model is the most accepted model of plasma membrane. It describes the quasi fluid structure of plasma membrane.
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