01:119:115 Lecture Notes - Lecture 23: Cardiomyopathy, Yolk, Coenzyme A
13 Jul 2016
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Document Summary
Nutrition = food taken into body, broken apart, and used by body. Animals are heterotrophs and fall into 3 categories: herbivores feed directly on producers mainly plants and algae, carnivores = meat-eaters consume herbivores and other carnivores, omnivores consume plants and animals. Adequate nutrition incudes eating right amount of food and right mixture of foods. An animal"s diet must provide: chemical energy for cellular processes, organic building blocks for macromolecules, essential nutrients, chemical energy for cellular processes. An animal"s diet must provide e to produce atp which powers cellular processes and activities: the chemical e in food. Nutritionists measure energy value of food in calories. Calorie (spelled with a capital c) is kilocalorie = 1000 calories. Definition of calorie = amount of heat required to raise temperature of 1 kg of water 1 degree centigrade: source of chemical e, carbohydrates. Tend to be ingested in form of starch or cellulose (long chains of glucose)
