23. It is doubtful that a protease that works best at 50˚C would be found in a bacterium that lives at typical body temperature.
24.
25. Meat is often tenderized before cooking, to make it less tough and more suitable for consumption. Meat tenderizers often come in a powdered form that can be sprinkled directly on the meat. Meat tenderizers dissolve some of the sinewy connections within the meat at room temperature. If meat tenderizers are allowed to act for too long, the meat can become squishy and lose its special texture.
26.
27. CONCLUSION Collect the cells Dissolve cell membrane Break down proteins Precipitate the DNA Make DNA less soluble in water
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