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Q1: In the fluid mosaic model of cell plasma membranes, protein play a role in a

ID: 181161 • Letter: Q

Question

Q1: In the fluid mosaic model of cell plasma membranes, protein play a role in all except:

a. cell adhesion.

b. regulation of hydrophilic region of the membrane.

c. pores, channels, carriers.

d. enzymes.

e. receptors.

q2: lipids are important in maintaining the cell membrane. all the following is true except:

a. the makeup of the lipids allow for hydrophilic polar heads to face extracellular water.

b. phospholipids make majority of membrane lipids, are laterally fluid.

c. cholesterol act to maintain membrane integrity by affecting stiffness.

d. the lipid nature of the membrane allows solutes to easily enter and exit.

e. glycolipids are important because they are attached to carbohydrates.

Explanation / Answer

1. In the fluid mosaic model of cell plasma membranes, protein play a role in all except:

b.regulation of hydrophilic region of the membrane.

2. lipids are important in maintaining the cell membrane. all the following is true except:

d.the lipid nature of the membrane allows solutes to easily enter and exit.