The customer claimed to be on a reduced-calorie diet and was not happy about the extra calories consumed. why are vitamins not digested in the body. 1. Usually, proteins or steroids, secreted by endocrine glands or groups of endocrine cells that control or regulate specific physiological processes such as growth, development, metabolism, and reproduction. Record the color of each tube in Table 1 in the Benedicts Test Results Observed (color)column. A biochemical test for the presence of reducing sugars. Which macromolecules are important energy sources for biological organisms? Observe and interpret the fermentation reactions of representative bacteria in phenol red sugar broths, distinguish between respiration and fermentation, discuss the conditions in which these reactions occur. Bacteria and fungi also produce exoenzymes to digest nutrients in their environment, and these organisms can be used to conduct laboratory assays to identify the presence and function of such exoenzymes. Record the color of the spots in the table below. Ethanol is very flammable. Ribosome RNA also binds to cytoplasmic proteins, resulting in ribosomes where protein synthesis takes place. Soluble peptides can then be absorbed by the cell. Unsaturated fatty acid chains, on the other hand, are twisted due to the presence of at least one double bond. Add 1 drop of each solution listed in Table 5 to the brown paper. Table 3: While human digestive enzymes cannot break down the glucose-glucose linkages in cellulose, herbivores such as cows, buffalos, and horses can digest cellulose-rich grass and use it as a food source. Keep in mind, microbes are very versatile, the fermentation substrate does not have to be sugars, it can include even unusual compounds like aromatics (benzoate), glycerol (sugar-alcohol), andacetylene (hydrocarbons)! Cellulosic materials such as wood and paper are abundant in nature. With precipitation, this redox reaction produces a tractable color shift from a light blue solution to a green or reddish-orange solution. macromolecules that are important energy sources for biological organisms: Carbohydrates, Proteins and Lipids. 4. Why should you always include controls in each procedure? Carbohydrates: A carbohydrate is an organic compound that consists only of carbon, hydrogen, and oxygen. What is the difference between alpha and beta glucose? Plants and animals use lipids to protect themselves from the elements. Introduction to macromolecules (article) | Khan Academy Which food contains carbohydrates, proteins and fats?

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