Cell membranes
a. consist almost entirely of protein molecules
b. are impermeable to fat-soluble substances
c. in some tissues permit the transport of glucose at a greater rate in the presence of insulin
d. are freely permeable to electrolytes but not to proteins
e. have a stable composition throughout the life of the cell

1 Answer

Answer :

in some tissues permit the transport of glucose at a greater rate in the presence of insulin

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