Extracting DNA from Fruit: A School Laboratory Method

Extracting DNA from Fruit: A School Laboratory Method

Assessment

Interactive Video

Biology, Chemistry, Science

University

Hard

Created by

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The video tutorial explains the process of extracting DNA from fruit in a school laboratory setting. It begins with an introduction to DNA and its significance. The tutorial then details the steps to prepare a solution with salt and detergent, mash and mix fruit, heat the mixture, and filter it. The extraction process involves adding protease enzyme and ethanol to isolate DNA, which forms a visible precipitate. The video concludes with the successful extraction of DNA, highlighting the importance of each step.

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3 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the significance of using ice cold ethanol in the extraction process.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What do you observe after adding ethanol to the filtrate, and what does it indicate?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

How can the extracted DNA be collected for further use?

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