question archive 1) Add 1 mL of gastric juice to 5 mL of casein in a test tube marked as "test
1) Add 1 mL of gastric juice to 5 mL of casein in a test tube marked as "test
Subject:ChemistryPrice: Bought3
1) Add 1 mL of gastric juice to 5 mL of casein in a test tube marked as "test."
2. Into a second tube marked "control," add 5 mL of casein solution and 1 mL of gastric juice that has been previously heated at 95°C to 100°C for 1 minute. Mix.
3. Incubate both test tubes for 30 minutes at 37°C (using a water bath).
4. Add 10% sodium acetate solution drop by drop (count the drops added) to the "control" tube until maximum precipitation occurs.
5. Add the same number of drops of sodium acetate solution to the "test" tube. Observe the color of the solution and the degree of precipitation.
1) a) Describe the expected observation for the test of pepsin in Analysis of Gastric Secretions'
b) Name the products formed when pepsin catalyzed the digestion of casein.
