Cell Membrane5 - Problem : Fill in the blanks. A...

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Cell Membranes Problems Problem : Identify the lipid bilayer in the following diagram of a cell. Cell Solution for Problem 1 >> Solution The lipid bilayer is the outer-most layer surrounding the cell. Close
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Problem : What is the main function of the lipid bilayer? Solution for Problem 2 >> The lipid bilayer acts as a barrier between the inside and outside of the cell. It is highly impermeable and does not allow most molecules to freely pass through it into or out of the cell. Problem : Why is the structure called a lipid bilayer ? Solution for Problem 3 >> It is called a lipid bilayer because it is composed of two layers of fat, or lipid, molecules.
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Unformatted text preview: Problem : Fill in the blanks. A phospholipid molecule contains two distinct regions. The __________ region is attracted to water and the ___________ region is repelled from water. As a result of its both polar and nonpolar regions, it is classified as a(n) __________ molecule. Solution for Problem 4 >> Hydrophilic. Hydrophobic. Amphipathic. Problem : Are the two layers of the lipid bilayer identical in composition? Solution for Problem 5 >> No. As a result of the bilayer's fluidity, structures such as lipids and proteins can freely move around within the lipid bilayer....
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This note was uploaded on 01/24/2012 for the course BSC BSC1085 taught by Professor Sharonsimpson during the Fall '10 term at Broward College.

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Cell Membrane5 - Problem : Fill in the blanks. A...

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