4: Lipids (part 2: Phospholipids) Quiz

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  1. 1. How many bonds does Phosphorus usually want to make?

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  2. 2. An unsaturated fatty acids has no double bonds in its hydrocarbon chain.

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  3. 3. A very basic phospholipid molecule is composed of

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  4. 4. Phosphate is:

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  5. 5. The part of the phospholipid that is hydrophobic is the

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  6. 6. Carbon atoms cannot form rings; only long hydrocarbon chains like those found in fatty acids.

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  7. 7. Water molecules are attracted to the phosphate head of the phospholipid.

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  8. 8. The “tail” of a phospholipid is hydrophilic.

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  9. 9. Phosphate is negatively charged.

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  10. 10. An electrically unbalanced molecule is called

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  11. 11. EPA and DHA are

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  12. 12. “Hydrophillic” means:

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  13. 13. EPA and DHA are “good” fatty acids.

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  14. 14. There are many different kinds of omega-3 fatty acids.

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