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2006_Quiz_3_with_key - Six of the ten amino acids that are...

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ANS 313 Quiz 3. Name: _______________________________ Lab group code: ______ 1. T F Lysine is the most limiting amino acid in swine because it almost always limits production--- how fast the pigs grow. 2. T F Taurine is an amino acid that is especially important for cattle because it is a major component of the proteins that make up the rumen epithelium. 3. ____ The waste form of nitrogen in a penguin is: a) nitric acid b) urea c) ammonia d) uric acid 4. ____ The limiting amino acid in a duck on a corn-soy diet is mostly likely to be: a) lysine b) methionine c) leucine d) proline 5. __________ A cat food is 4% N. What is the %CP? 6. __________ Protein makes up what percentage of skeletal muscle (the rest is mostly water)?
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Unformatted text preview: Six of the ten amino acids that are generally considered essential in nutrition are lysine, leucine, tryptophan, arginine, methionine, and valine. Name three of the other four. 7. ___________________ 8. ___________________ 9. ___________________ Evaluate the following diet for a growing puppy. Circle anything that you think will limit the puppy’s growth. ME (kcal/g) % CP % lys % met % trp Totals (supplied) 3.40 24.0 1.09 0.46 0.08 Requirements 3.40 25.0 1.10 0.45 0.08 Difference 0.00-1.0-0.01 +0.01 0.00 KEY 1 F 2 F 3 d 4 b 5 25% 6 20-25% 7, 8, 9: phenylalanine, threonine, isoleucine, histidine 10 everything is okay – no circles...
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