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Unformatted text preview: Howard (clh2528) Homework 3 sathasivan (48985) 1 This print-out should have 19 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 001 10.0 points The molecule C H H H C H H C H C H C H H C H C H C O OH is a 1. polysaccharide. 2. protein. 3. polyunsaturated fatty acid. correct 4. saturated fatty acid. 5. monounsaturated fatty acid. Explanation: The two double bonds on the hydrocarbon and the carboxyl group indicate that this is polyunsaturated fatty acid. 002 10.0 points What is the molecule made of isoprene units and an essential precursor to make vitamin A? 1. phospholipid 2. carotenoid correct 3. steroid 4. monoglyceride 5. protein Explanation: Recall and application 003 10.0 points The molecule C O HO C H H C H H C H H C H H C H H C H H C H H H is 1. a polyunsaturated triglyceride. 2. a steroid. 3. a saturated fatty acid. correct 4. a common component of plant oils. 5. an unsaturated fatty acid. Explanation: The lack of double bonds on the hydro- carbon chain and the presence of a carboxyl group indicate that this is a saturated fatty acid. 004 (part 1 of 2) 10.0 points The molecule H 2 C O C O H 2 C H 2 C H 2 C H 2 C H 2 C H 2 C H 3 C CH O C O CH 2 CH 2 CH 2 CH CH CH 2 CH 2 CH 3 CH 2 O P O O CH 2 CH 2 N- (CH 3 ) 3 is a Howard (clh2528) Homework 3 sathasivan (48985) 2 1. steroid....
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- Spring '08