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Lecture 12 Biology 2

Lecture 12 Biology 2 - Lecture 12 Nutrition and Digestion...

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Lecture 12: Nutrition and Digestion Nutrition and Digestion—Animals Eat Many different foods Outline I. Nutritional Requirements of Animals II. Digestive System I. Burger to bowl Why eat? What do we need to survive, grow and store energy? (ATP production) Monomers of protein, carbs, fat Cellular respiration (growth, reproduction) Carbon and nitrogen • Storage – Essential nutrients 1) Amino acids 2) Fatty acids 3) Vitamins 4) Minerals
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Nutrition and Digestion Essential Nutrients for Animals 1) Amino acids needed to make proteins are essential and cannot be made from precursors – Others can be synthesized from these 8 Nutrition and Digestion 2) Fatty acids Saturated and Unsaturated Saturated Fat—contains primarily fatty acids saturated with H. Unsaturated fats: double-bonded carbons Nutrition and Digestion 3) 13 now considered essential Needed in low amounts Serve as (required for proper functioning of enzymes) Vitamin E--fat soluble Vitamin C— Water soluble Vitamin A Vitamin B1, B2, B6 & B12 Vitamin C Vitamin D Vitamin E Vitamin K Niacin Pantothenic acid Folic acid Biotin
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