TLS Online TPP Program

#Question id: 38763


Q. Based on the chemical properties of PEG, how does it facilitate the link between the membrane and external ions? 

#Plant Biotechnology
  1. By repelling Ca2+ ions to increase membrane fluidity. 
  2. By acting as a bridge where its negative charge binds to cations like Ca2+ which then bind to the negatively charged plasma lemma. 
  3. By dissolving the lipid bilayer entirely to allow DNA entry.
  4. By neutralizing the positive charge of the cytoplasm.