Cell Membrane Ws

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3.a cell is isotonic to a solution of 0.01% sugar
a)what concentration would be hypERtonic?
b)what concentration would be hypOtonic?
A)hypertonic=higher than 0.01
b)hypotonic=lower than 0.01
4a)what happens to an animal cell in hypotonic solution?
b)what happens to an animal cell in hypertonic?
A)hypotonic=gains water,swells, may burst
b)hypertonic=loses water, cell shrinks
Turgor pressure=hypotonic or hypertonic?
Hypotonic
Examples of..
a)diffusion in the body:
b)facilitated transport:
c)active transport:
A)diffusion: o2/co2b)sugars,amino acids, ions
c)sugars,amino acids, ions
List 3 ways in which active transport differs from the process of diffusion across a cell membrane.
-active=low to high
-active needs a carrier protein
-active requires ATP
List 2 ways in which facilitated transport differs from active transport.
Passive=high to low
passive=doesn't need a carrier protein
Are the solutions below hypertonic or hypotonic?
a)15% nacl
b)0.001% nacl
A)15% nacl-hypertonic
b)0.001% nacl-hypotonic
A scientist notes that of three monosaccharides--glucose, mannose, and galactose-- glucose enters the cells are much faster than the other two...what process is at work?
Passive/facilitative transport