QUESTION 3 O Floating as a gas in the tost tube O At the bottom of the test tube

Question

QUESTION 3 O Floating as a gas in the tost tube O At the bottom of the test tube O Floating in the isopropyl alcohol O Inside of the berry mixture QUESTION 4 Which of the following are components of the Extraction Buffer we will be using? OSalt O Isopropyl alcohol Dish detergent Water QUESTION 5 In Exercise 10.2 we will be practicing loading agarose gels for the next week's lab. Which piece of laboratory equipment will be used to load the blue practice solution in to the wells? QUESTION6 Should you throw out the agarose gel after you are finished with it? O Yes O No

Explanation / Answer

3. B) at the bottom of the test tube.

DNA is not soluble in isopropyl alcohol and thus would be found to pelllet at the bottom along with the presence of salts. This protocol is referred to as precipitation protocol.

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