k DNA extraction experiment DNA extraction experiment. Teenage boy using a pipette to add chilled isopropyl alcohol to a sample as part of a home experiment to extract DNA deoxyribonucleic acid, in this case from a banana. The banana is cut up and mashed, and then placed in a beaker with warm water added. Washing detergent is added to break the cell membranes. The mixture is kept warm for 12 minutes, then placed in an ice bath for 5 minutes. After filtering, the liquid is pipetted into a test tube and salt and chilled isopropyl alcohol added as shown. This precipitates the DNA. More chilling in ice 10 minutes produces a visible mass of stringy DNA. Stock Photo - Afloimages
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DNA extraction experiment DNA extraction experiment. Teenage boy using a pipette to add chilled isopropyl alcohol to a sample as part of a home experiment to extract DNA deoxyribonucleic acid , in this case from a banana. The banana is cut up and mashed, and then placed in a beaker with warm water added. Washing detergent is added to break the cell membranes. The mixture is kept warm for 12 minutes, then placed in an ice bath for 5 minutes. After filtering, the liquid is pipetted into a test tube and salt and chilled isopropyl alcohol added as shown . This precipitates the DNA. More chilling in ice 10 minutes produces a visible mass of stringy DNA.
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DNA extraction experiment

DNA extraction experiment. Teenage boy using a pipette to add chilled isopropyl alcohol to a sample as part of a home experiment to extract DNA (deoxyribonucleic acid), in this case from a banana. The banana is cut up and mashed, and then placed in a beaker with warm water added. Washing detergent is added to break the cell membranes. The mixture is kept warm for 12 minutes, then placed in an ice bath for 5 minutes. After filtering, the liquid is pipetted into a test tube and salt and chilled isopropyl alcohol added (as shown). This precipitates the DNA. More chilling in ice (10 minutes) produces a visible mass of stringy DNA.

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