1-What is true of people with O blood type?
| | A) | They possess an enzyme the adds a phospholipid to the surface ofred blood cells |
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| | B) | They possess an enzyme that adds galactose to glycolipids thesurface of red blood cells. |
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| | C) | They possess an enzyme the adds N-acetyl glucosamine toglycolipids on the surface of red blood cells. |
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| | D) | They lack an enzyme that adds a sugar molecule to glycolipids onthe surface of red blood cells. |
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2-Which of the following is true of sphingolipids?
| | A) | They are components of cell membranes. |
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| | B) | They are used to build cerebrosides and gangliosides. |
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| | C) | They help protect cell membranes by forming a chemicallyresistant outer layer. |
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| | D) | All of the above are true |
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3-Which of the following is true of triacylglycerol ANDglycerophospholipids?
| | A) | Both are made from fatty acids. |
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| | B) | Both are membrane lipids |
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| | C) | Both are amphipathic lipids |
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| | D) | Both are made from isoprene units |
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