You evaluate your experiment when you do the experiment because when you do the experiment, you put your hypothesis to the test, and that is then the purpose of the experiment. The analysis part is when you draw your conclusions and say if your hypothesis was right or wrong and you figure that out when you are doing the experiment.
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Answer:
A lipid is any of various organic compounds that are insoluble in water. They include fats, waxes, oils, hormones, and certain components of membranes and function as energy-storage molecules and chemical messengers.
The consumed food first need to be physically broken and after that chemically. The energy stored in food (food contains carbohydrates, fats, proteins, water, vitamins, and minerals) is released when chemical bonds of molecules in food are broken in metabolic processes such as cellular respiration. Cellular respiration might be aerobic (involves the chemical reaction of food molecules with molecular oxygen) or anaerobic (without additional oxygen).
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