Question: Consider the cell membrane shown below: a. Using the numbers shown (1 or 2). Which part of the lipid bilayer is hydrophilic? Which part

Consider the cell membrane shown below: a. Using the numbers shown (1

Consider the cell membrane shown below: a. Using the numbers shown (1 or 2). Which part of the lipid bilayer is hydrophilic? Which part of the lipid bilayer is hydrophobic? (2) b. The blue molecules shown in the figure represent membrane proteins. What type of membrane protein does A represent? What type of membrane protein does B represent? What type of membrane protein does C represent? (3) C. Which of the membrane proteins (A, B or C) would be best suited to transmit signals from the outside of the cell to the inside? (1) d. Removal of which membrane proteins (A, B or C) would likely disrupt the membrane? (1) e. What is major lipid component of biological membranes? (2) f. What two characteristics of hydrocarbon tails affect the fluidity and melting temperature of a lipid bilayer? (2) g. What is the function of cholesterol in a membrane? (2) h. What does the term fluid mosaic refer to?(2)

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