29 :er CHEMICAL DIGESTION-LAB NOTES Part 4: Proteins MATERIALS: 1 petri dish, pr

Question

29 :er CHEMICAL DIGESTION-LAB NOTES Part 4: Proteins MATERIALS: 1 petri dish, prepared with agar Pepsin solution Use a probe to mash up ½ of the agar in the plate, leaving the other half untouched. Add pepsin solution to each half. Observe the results, noting the time lapse until significant change was evident Do the two sides take the same length of time to change Record the state of each side of the agar plate at the conclusion of the digestion Explain any observed differences in the state of the agar.

Explanation / Answer

Answer (a)

The time will be not same as the smashed side will mix well take less time to give observable change in comparision with the other side.

Answer (b)

With the observation, it can be concluded that smashed side underwent digestion faster because after smashing, its all organelles came out mixed with solution as well it has small size, larger surface area to come in contact. While regular side has less surface area and did not mix well in solution.

Answer (c)

The smashed one will give bubble inside the solution.

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