1. What is denaturation of a protein as explained in the video?

2. Which of the following factors shown in the video can cause denaturation? (Tick all that apply)

3. The video gave an example where a protein began to denature at approximately what temperature?

4. According to the video, which type of change is typically irreversible?

5. In one sentence, describe how denaturation affects enzyme activity (from the video).

6. Give one real-life example mentioned in the video where denaturation is useful or harmful. Explain why in 2–3 sentences.

7. Draw and label a simple diagram showing a native (folded) protein and a denatured (unfolded) protein as shown in the video.

8. Prediction: If an egg white is heated until it coagulates and then cooled back to 20°C, will it return to its original liquid form? Explain your answer in one or two sentences using ideas from the video.