Virtual Labs

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Simulation

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Aim

Theory

Pretest

Procedure

Simulation

Posttest

References

Feedback

Study of some processing changes in proteins

Choose difficulty:

Beginner

Intermediate

Advanced

1. Which of the following factors primarily influences protein solubility?

a: Temperature Explanation

Explanation

b: pH Explanation

Explanation

c: Ionic strength Explanation

Explanation

d: All of the above Explanation

Explanation

2. What happens to the solubility of a protein at its isoelectric point?

a: It increases Explanation

Explanation

b: It decreases Explanation

Explanation

c: It remains constant Explanation

Explanation

d: It becomes unstable Explanation

Explanation

3. What is the purpose of shaking the conical flasks during the experiment?

a: To mix the protein solution uniformly Explanation

Explanation

b: To increase the solubility of the protein Explanation

Explanation

c: To help filter the solution Explanation

Explanation

d: To precipitate the protein Explanation

Explanation

4. What is the role of buffer solutions in this experiment?

a: To control the temperature Explanation

Explanation

b: To adjust the pH of the protein solution Explanation

Explanation

c: To dissolve the protein Explanation

Explanation

d: To separate the protein from the filter paper Explanation

Explanation

5. What will be the expected result of this experiment?

a: A curve showing solubility (%) against pH Explanation

Explanation

b: A color change indicating protein breakdown Explanation

Explanation

c: A fixed solubility percentage across all pH values Explanation

Explanation

d: No change in protein solubility Explanation

Explanation

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