Answer Happy

1. In an experiment studying starch digestion by amylase, all test tubes receive starch and enzymes. Which incubating condition will yield most digestion? a. At 37 degree C. pH 7 b. At zero degree C pH 7 c. At 37 degree C. pH 2 d. At zero degree C.pH 2 2. If starch is present in a solution addition of lodine will lead to a. Charge of color from orange to blue b. Change of color from blue to orange c. Change of color from copper to black d. Change of color from black to copper 3. The role of bile in processing of fats in the digestion tract is a Emancipation b. Digestion c. Synthesis d. emulsification 4. For the experiment demonstrating starch digestion, what is the purpose of the test tube only contained starch and water? a. To increase surface area by diluting starch b. Positive control c. To determined if starch dissolved in water d. Negative control 5.Pepsin is an enzyme that digest food in the stomach, an acidic environment. If we set up an experiment using pepsin, which yield most digestion? a. Pepsin in hydrochloric acid b. Pepsin in boiling water c. Pepsin in sodium hydroxide d. Pepsin in deionized water 6. The prodcucts if fat digestion are: a. Amino acids and glycogen b. Fatty acids and glycerol c. Amino acids and glycerol d. Fatty acids and glycogen 7. What is the difference between casein and paracasein? a. Casein has both milk protein and carbohydrates but paracasein is free of proteins b. Casein is the milk protein and paracasein in the carbohydrates c. Casein is the carbohydrate and paracasein is the milk protein