Which of the following is incorrect about an omega-3 fatty acid whose hydrocarbon chain has only one double bond? a. It is a monounsaturated fatty acid b. O c. Od. None; all the other choices are correct Its double bond is between C #3 and C #4 from the carboxyl group Its shape is not straight or linear
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- Saturated fatty acids are so named because they are saturated with (a) hydrogen (b) water (c) hydroxyl groups (d) glycerol (e) double bondsA monosaccharide designated as an aldehyde sugar contains (a) a terminal carboxyl group (b) an internal carboxyl group (c) a terminal carbonyl group (d) an internal carbonyl group (e) a terminal carboxyl group and an internal carbonyl groupFatty acids in phospholipids and triacylglycerols interact with one another by (a) disulfide bridges (b) van der Waals interactions (c) covalent bonds (d) hydrogen bonds (e) fatty acids do not interact with one another
- Polyunsaturated fatty acids a). are solid at room temperature b). have carbon-carbon double bonds c). are polar d). have high melting pointsfatty acids with no double bonds are a. unsaturated b. higher in hydrogens than fatty acids with double bonds c. lower in hydrogens than fatty acids with no double bonds d. none of the aboveFatty acids that have ______ are more likely to be liquid at room temperature. A. more double bonds B. fewer double bonds C. a longer carbon chain D. a shorter carbon chain
- Which of the following best describes the fatty acid 20:3n-4? A. There are 20 carbons plus three carboxyl group in the molecule. B. It is a saturated fatty acid. C. The molecule is an ω4 fatty acid. D. 20:3Δ4,7,10,13. E. It is a monounsaturated fatty acidA carboxyl group is symbolizeda. —OH.b. —NH2.c. —CH3.d. —CH2OH.e. —COOH.Which of the following statements concerning structural characteristics of bile acids is CORRECT? * A. No hydroxyl groups are present B. More hydroxyl groups are present than cholesterol C. Fewer hydroxyl groups are present than cholesterol D. Both have the same hydroxyl groups present with cholesterol
- Which of the following properties of a free fatty acid molecule would make it capable of producing the most energy when used as a fuel source, compared to other free fatty acids? a) A large number of unsaturated bonds b) Shorter hydrocarbon chain with a large number of carbonyl groups c) Longer hydrocarbon chain with a large number of saturated bonds d) Shorter hydrocarbon chain with a large number of saturated bondsWhich of the following statements about trans-fatty acids is/are FALSE? a.Healthier than saturated FA. b.Formed from the hydrogenation of C=C. c.May be present in butter substitutes. d.Properties are similar to saturated FA.A monosaccharide designated as an aldehyde sugar contains(a) a terminal carboxyl group (b) an internal carboxyl group(c) a terminal carbonyl group (d) an internal carbonyl group(e) a terminal carboxyl group and an internal carbonyl group
