quiz 2 - 2. (Points:1.0)

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2. (Points: 1.0)      Certain isotopes can be used as tracers for medical purposes in humans because____. 1. of their stability 2. of their high energy electrons 3. they are heavier 4. they emit radioactivity 3. (Points: 1.0)      After drinking a great deal of coffee (pH 5), a human's blood buffering system would need to ____ as the  coffee was digested. 1. release OH- 2. take up H+ 3. release H+ 4. take up OH- 4. (Points: 1.0)      The basic building blocks or subunits of organic molecules can be described as _____. 1. polymers 2. monomers 3. functional groups 4. isomers 5. (Points: 1.0)      Which of the following are hydrophobic molecules?
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1. steroids 2. glycogen 3. both phospholipids and steroids 4. phospholipids
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6. (Points: 1.0)      Atherosclerosis is associated with ____. 1. fats with double bonds 2. polyunsaturated fats 3. fats with no double bonds 4. phospholipids 7. (Points: 1.0)      Cell walls function in _____. 1. containing DNA 2. producing the cytoskeleton 3. moving organelles throughout the cell 4. maintaining cell shape
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quiz 2 - 2. (Points:1.0)

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