Bio 1404: Exam 2 Questions and Answers A Level 2023
What separates the living cell from its surroundings - -Plasma membrane -What plasma membrane exhibits BLANK, which allows some substances to cross it more easily than others - -Selective permeability -What are the most abundant lipids in most membranes - -Phospholipids -Phospholipids are ___, containing hydrophobic and hydrophilic regions - -Amphipathic molecules -What type of proteins penetrate the hydrophobic interior of the lipid bilayer - -Integral proteins -What type of proteins are not embedded in the lipid bilayer, but are loosely bound to the surface - -Peripheral proteins
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