Question 25 of 48 3.75 Points The impermeability of cell plasma membranes is a m

Question

Question 25 of 48 3.75 Points The impermeability of cell plasma membranes is a major barrier to using drugs to kill tumor cells or affect cells transgenically. CPPs are peptides that were discovered to have the ability to transport themselves (and even attached cargo) into cells. How they get into cells is still a mystery, but CPPs all have multiple positively charged groups. Which of the following membrane components are they most likely to be interacting with? A.phospholipid heads B.intrinsic membrane proteins C.phospholipid tails D.cholesterol

Explanation / Answer

A) yes, as they are negetively charged interaction would occur

B) no

C) no

D) cholesrol having the -oh group would interact with the higly positive charged groups.

Intrinsic protiens and phosplipid layers thogh facilitate in transfer of materials would not interact eith cell penetrating proteins

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