a)Name the principal components of cell membrane. (b)(i) Why would a cell allow some substances to pass through it but not others? (ii) Other than the...

      

a)Name the principal components of cell membrane.

(b)(i) Why would a cell allow some substances to pass through it but not others?

(ii) Other than the property of semi- permeability stated in b (i) above, state two other properties of a cell membrane

( c)Explain what would happen to the red blood cells if placed in concentrated salt solution.

  

Answers


Martin
a)Two protein layers, phospholipid layer and pores

b)i)Has pores

ii)
Sensitivity to changes in temperatures and PH.
Possesses electrical charges

c)The solution is hypertonic to the red blood cell cytoplasm; water molecules will move from red blood cells by osmosis; the red blood cell will became crenated;
marto answered the question on September 30, 2019 at 11:49


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