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TL;DR : Food gives the human body much more than simply vitamins & minerals. A healthy diet is essential to overall healthiness, not just this one aspect of it. Micronutrients The component you're asking about - vitamins & minerals - are referred to as "micronutrients", and is only a quarter or so of what the body needs. Micronutrients are the ...


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The bacteria in the foregut of cud chewing animals (e.g. cows) provide enough B12 and other B vitamins. Uptake of B12 happens mainly in the small intestine. There are lots of bacteria in the human intestine but most fermentation of plant matter happens in the hindgut. Hindgut fermentation also produces B12 but since this happens past the small intestine it ...


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Cooking is just a form of digestion. What is digestion? Digestion is the process of breaking down big molecules into smaller molecules. When you cook food you break down big molecules into its small components. Why do we digest food? Think about a long sequence of DNA for example. You eat corn and you have in your body a long sequence of corn ...


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With a few exceptions among some bacteria, all species on the planet make protein from the same 21 amino acids, and the relative abundances of amino acids is very similar in proteins from plants, animals, fungi and even prokaryotes. See for example this article (available as PDF here). So protein from pretty much any food provides the same amino acids. The ...


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With arbitrarily broad meaning of "processed", yes. If absolutely nothing else, elemental purification and inorganic synthesis of something chemically resembling meat in nutrition is possible. Prohibitively expensive and stupid, yes, but possible. So then the question becomes exactly how much processing you need to do. Without clear bounds on that question ...


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Of course it is possible for a carnivore to live with a vegetarian diet. Technically you could come up with a complete meal out of vegetables and make a carnivore pup live with it. Dogs and cats are good example of it. They can learn to eat vegi-processed food and as far the nutrients needed are present they will grow and live well. To make them eat raw ...


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What does it mean for an element to be mobile or immobile in plants? Generally speaking, mobile elements are those that can be moved from older to newer tissue in the plant, while immobile ones cannot be. For example, calcium is incorporated into the cell wall, so it is immobile; it cannot be relocated later. Plants with a deficiency of mobile elements ...



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