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- ANSWER THE QUESTIONS (IN BOLD) FOUND IN THE FOLLOWING EXPERIMENT PROCEDURES.Salivary Amylase Preparation Collect about 15 mL saliva in a small beaker. Transfer 10 mL of the collected saliva in a beaker filled with 10 mL distilled water. Filter through a coarse filter paper. Starch Mixture Preparation Put 10 mL of 1% starch solution and 4 mL of 1% NaCl solution in a clean big test tube. Why do you think you need to add NaCl? Place this mixture in a hot water bath and maintain it at 38°C. You may leave a thermometer inside the test tube to check on the temperature. Why is this step important? Monitoring Salivary Amylase Activity You are now ready to allow digestion of starch by salivary amylase and monitor its progress by testing for both undigested starch (I2KI test) and free glucose (Benedict’s test). Get 10 test tubes and fill each test tube with 1 mL Benedict’s solution. These tubes will be used for the test for glucose so we shall label these tubes G1 to G10. Obtain another set…Give a summary of your results for Food Sample 2 (Unknown). What kind of food item do you think this might be? Consider the appearance of the sample and your test results for the sample.Answer the following. A. Which part of the refrigerator should be used for storing raw meat? B. How long can raw meat stay in fridge? C. At what temperature should meat be refrigerated?
- 7. A thermometer reading 75°F is taken out where the temperature is 20°F. The reading is 30°F, 4 minutes later. Find (a) the thermometer reading 7 minutes after the thermometer was brought outside, and (b) the time taken for the reading to drop from 75°F to within a half degree of the air temperature. - end -The student used three different 250mL flasks, each with 10g of sugar added to them. In flask one 3g of yeast was added, in flask two 6g of yeast was added, and in flask three 9g of yeast was added. Each flask then received 200mL of warm water and then swirled to mix. A balloon was placed over the mouth of each flask to capture the CO2 produced. After waiting for one hour the student measured the circumference of the balloons and found the following: Flask one had a circumference of 10cm, flask two had a circumference of 14cm, and flask three had a circumference of 22cm. What is the purpose of this investigation?The student used three different 250mL flasks, each with 10g of sugar added to them. In flask one 3g of yeast was added, in flask two 6g of yeast was added, and in flask three 9g of yeast was added. Each flask then received 200mL of warm water and then swirled to mix. A balloon was placed over the mouth of each flask to capture the CO2 produced. After waiting for one hour the student measured the circumference of the balloons and found the following: Flask one had a circumference of 10cm, flask two had a circumference of 14cm, and flask three had a circumference of 22cm. Create a line graph showing how the independent variable(x-axis) affected the dependent variable (y-axis). Be sure to include all necessary labels.
- The student used three different 250mL flasks, each with 10g of sugar added to them. In flask one 3g of yeast was added, in flask two 6g of yeast was added, and in flask three 9g of yeast was added. Each flask then received 200mL of warm water and then swirled to mix. A balloon was placed over the mouth of each flask to capture the CO2 produced. After waiting for one hour the student measured the circumference of the balloons and found the following: Flask one had a circumference of 10cm, flask two had a circumference of 14cm, and flask three had a circumference of 22cm. Create a data table that would be used to collect and organize the data from this experiment.The pediatrician tells you to give your baby 35 ml of penicillin. How many teaspoons is this dose? Show your work! 5 ml = 1 tspYour pharmacy has on hand Tetracycline 250 mg/5 mL liquid.You receive a prescription for Tetracycline syrup 500 mg qid for 7 days. How many total milliliters would you dispense? Your pharmacy has on hand Prednisone 5 mg tablets.You receive a prescription for Prednisone 5 mg ii tabs stat and qid x 1 day, then ii tabs tid x 2 days, then ii tabs bid x 2 days, then i tab tid x 3 days, then i tab bid x 3days, then i tab qd x 4 days How many tablets would you dispense for this prescription? How many days will the patient take this medication for? Your pharmacy has on hand Dilantin 100mg capsules.You receive a prescription for Dilantin 100 mg 1 cap po in the AM & PM, 200mg (2 caps) po at noon, and 300mg (3 caps) po at hs. Dispense a 30 day supply. (using the 100mg capsules you have in stock) How many capsules will you dispense? Your pharmacy has on hand Dakins Irrigation Solution 1 liter.You receive a prescription for Dakins Irrigation Solution Irrigate chest tube with 100 mL…
- 4. After 30 minutes, bring out the two halves and observe the changes in them. 5. Dip the two coins in the vinegar for five minutes. bag, then seal it. Set the bag aside for 30 minutes. 7. Leave the other coin exposed to air for 30 minutes. 8. After 30 minutes take out the coin from the bag then observe the two coins. Record your observation in the table. Sample apple While inside the bag Exposed to air, prevent birds eat heni caused shiced fuit tobroun nD one happened coin turnsdulluhenegheur Guided Questions: 1. Which of the two environments allowed the materials to react with oxygen? Explain your answer? 2. What happened to the materials that were exposed to air?? bxidebrcur sasmetalzact suthangantortncreochoh,fegereral equationiskindatikonas 3. What can you say about the effectof oxygen on the materials that you need? WHAT I LEARNED (GENERALIZATION) Fill in the blanks. Choose your answer from the word box below. Matter refers to all the 1. objuds ODsence ones that you readily see…The table below summarizes the results for Sudan IV test. Which solvent the lipid samples are homogeneous? PUT A CHECK Hexane Ethyl Acetate Water Methanol A B C Which solvent the lipid samples are heterogeneous? PUT A CHECK Hexane Ethyl Acetate Water Methanol A B C What is the nature of the lipid samples?* A. Polar B. NonpolarWhat will be the color of saliva extraction with iodine in 3, 6 9, 12, 15, and 18 mins if: you put 5 ml of starch soln. and you heat it to boiling after that you will add 1 ml of saliva. Cool and then continue to heating after that you will place it in a water bath at 60 degree Celsius. At 5 minutes interval for 30 minutes take a drop of the reaction mixture from each test tube and test with Iodine solution (use a spot plate for the test and stir the contents of the test tube before taking a drop). Tabulate the results.