GR - Chemical Composition of the Body I

GR - Chemical Composition of the Body I - Guided Reading -...

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1. Molecules with polar covalent bonds are hydrophobic. True False 2. How many single bonds can a carbon atom form if it is double-bonded to an oxygen atom? A. 1 B. 2 C. 3 D. 4 3. The ionized form of the organic lactic acid is lactate. True False 4. Which of the following polysaccharides cannot be digested by animals themselves? A. glycogen B. cellulose C. starch D. All of these can be digested by animals themselves. 5. In order to maintain proper health, total dietary fat intake should not exceed _______________ of total dietary energy intake. A. 10% B. 20% C. 30% D. 40% 6. What characteristic of phospholipids allows them to form the double layer seen in cell membranes? A. They are amphipathic. B. They are totally nonpolar. C. They are soluble in water. D. They are totally hydrophobic. 7. Surface tension between water molecules occurs because adjacent water molecules form _______ bonds with each other. A. nonpolar covalent
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This note was uploaded on 03/20/2012 for the course MCB 32 taught by Professor Smiley during the Fall '11 term at Cal Poly.

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GR - Chemical Composition of the Body I - Guided Reading -...

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