what are the differences and similarities between carbohydrates,proteins and fats?
819877
Ok, there's carbon and hydrogen in all of them, that's the only similarity. They are known collectively as macro-nutrients.\n\nCarbohydrates are basically, oxygen, carbon and hydrogen and they're the bodies primary source of energy. This means that they're the first source of energy used which is why if you eat foods high in simple sugars you get a sugar rush. All carbs metabolize down to glucose, some faster than others.\n\nFats are called lipids. Lipids are very heterogeneous (this means that there's not much similarity between them). Some examples of lipids are steroids, seed oils, pork fat, cholesterol, etc. The main thing in common with them is that they don't mix with water. They are readily stored in fat cells in the form of tryglicerides and are used when carbs are all used up. They also yield the highest per gram amount of energy (it escapes me right now).\n\nIn a chemical sense, fats are lipids derived from animals (saturated, solid at room temperature) and oils are derived from plants and seeds (insaturated with some exceptions, and liquid at room temperature. Insaturated are healthier because they contain HDL which cleans your arteries (prevents artherosclerosis).\n\nProteins are made up of aminoacids, 20 make up the vast amount of human proteins. Enzimes (the most famous being digestive enzimes) are proteins, skin is covered in protein, hair is protein, cilia and flagella are protein, basically EVERYTHING is protein, after water the human body is basically protein. They're only used up as energy when everything else is used up.\n\nWhen athletes eat/drink protein, it's to give them building materials in order to increase the amount of stuff inside their cells which will enable them to produce more energy.
1086437
I can easily understand how this would be a very confusing and difficult question, with all the misinformation out there.\n\nOf course, the difference between the calories from proteins, carbohydrates, oils and fats is all a matter of relative balance.  If you are eating a proper diet, calories from protein are relatively irrelevant.  Generally speaking, except for milk fat, like butter, you should avoid fat.  A relatively well balanced amount of oil totalling less than 10% of your intake is certainly better.\n\nBut your question is basically what is the difference between bad calories (empty) and good calories (nutrition-filled).  Most of this question actually revolves around carbohydrate and oil consumption.  Sugar, whether referred to as sucrose, sucralose, dehydrated cane juice, or any of a dozen other variations, causes an extremely unhealthy insulin spike and nutralizes other nutrients.  \n\nA banana, which is low in calories contrary to popular myth, is extremely high in nutrients including potasium, iron, vitamin c and protein.  Zucchini, which is commonly thought of as a healthy food, contains only fiber, but is relatively low in calories.\n\nThe amount of calories in a particular food is much less relevant than the amount of nutrition in that food, particularly in relation to how many calories it has.\n\nYour body requires more than just calories to survive; you need vitamins, minerals and protein, as well as certain other types of nutrients, to survive.  You can consume 2000 empty calories every day, with no nutrient content, and still die of starvation, whereas a person can live almost indefinitely off of green leafy vegetables and yellow vegetables, with a little dairy, even though that person is consuming relatively few calories in a day.\n\nI'm sorry; I started off on the novel-length dissertation, but I've done my best to curtail it.
644765
Unlike proteins which have essential amino acids, there are no essential sugars.  You get 100% of your carbohydrate based nutritional needs just from eating like one serving of fruits or vegetables....easily.  Also, humans can easily exist with zero sugars in their diet for YEARS with zero negative effects.  Contrast that to essential proteins and fats which will quickly make you sick if you are deficient.\n\nThe two products you list are both fraudulant.  This is obvious to anyone with basic knowledge of human biochemistry and nutrition.  If you feel the need to supplement your "glyconutrients" (lol), go eat an apple.
160362
Carbs.   Carbs and fat together to really put it on.
723597
each gram of protein gives 3.4 calories\neach gram of carbohydrates (including sugar) gives 4 calories\neach gram of alcohol gives 7 calories\neach gram of fat gives 9 calories\n\nSo, alcohol is the worst thing (next to fat) that you can consume while on diet
564443
Carbohydrates are first.  Specifically, glucose.  \nFats are second.\nProteins are third.\nMinerals have no caloric value.\nVitamins CAN be metabolized for energy, but your body is probably having a lot of problems for that to happen.
652123
carbohydrates are digested and are coverted to glucose for energy,the excess glucose would be turned to glycogen(fat) which would be stored in our liver, under the skin etc. fats and protein are not immediate sources of glucose therefore they are not directly contributive to weight gain however, protein is broken down into amino acids by our body with the aid of enzymes,to repair our muscles and other tissues hence, protein is stored. fat however is transformed to glucose firs, then to glycogen, same as with that of carbohydrates
539990
Vitamin is considered as a different subgroup of biochemical substances, with totally different chemical structure from carbohydrates, proteins and lipids.
93487
One gram of Fat on burning in your body gives you 9 calories while carbhydrate only 4 calories  Carbohydrates are stored in your body as fat.
745811
carbs and proteins....carbs= breads, grains, cereals, peas, potato\n                                  proteins= beans, meats, dairy, eggs, nuts
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lipids\ncarbohydrates\namino acids/proteins\nnucleic acids
960830
Proteins, amino acids.
157774
Proteins are mainly digested in the stomach where the environment is very acidic, whereas carbs are digested in the mouth and small intestine.  Both are absorbed in the intestines.
650797
If you are referring to - polysaccharides, they are carbohydrates (e.g., starch, cellulose, or glycogen) whose molecules consist of a number of sugar molecules bonded together.
973694
I do know quite a bit about Carbohydrates, I have been doing a low carb diet for nearly 3 years,  What would you like to know!?
752240
proteins-amino acids, nucleic acids-nucleotides, carbohydrates (sugars)-glucose, and lipids-gylcerol and fatty acids
1177074
A calorie is the quantity of thermal energy required to raise one gram of water 1°C at 15°C.\n\nCarbohydrates have 4 calories per gram. Proteins have 4 calories per gram. Alcohol has 7 calories per gram. Fat has 9 calories per gram. Knowing this, you just add up the calories to get the total amount in an item of food/drink.