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Questions and Answers
What is the purpose of adding pineapple juice in the procedure?
What is the purpose of adding pineapple juice in the procedure?
- To deactivate the DNA-destroying enzyme DNAse
- To extract RNA from the solution
- To speed up the rate of chemical reactions
- To break down the cell membrane (correct)
Which enzyme is disabled by adding pineapple juice?
Which enzyme is disabled by adding pineapple juice?
- DNAse (correct)
- Helicase
- Ligase
- RNA polymerase
What is the purpose of adding ethyl alcohol after pineapple juice in the procedure?
What is the purpose of adding ethyl alcohol after pineapple juice in the procedure?
- Break down the cell membrane
- Activate the DNA-destroying enzyme
- Dehydrate and precipitate DNA (correct)
- Stabilize RNA
Which component of the mixture precipitates at the water/alcohol interface?
Which component of the mixture precipitates at the water/alcohol interface?
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What is the function of liquid detergent in the procedure?
What is the function of liquid detergent in the procedure?
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What is one of the key requirements for an organism to be considered a cell?
What is one of the key requirements for an organism to be considered a cell?
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Which macromolecule encodes all the biological information about the cell?
Which macromolecule encodes all the biological information about the cell?
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Why is the DNA referred to as the molecular blueprint of life?
Why is the DNA referred to as the molecular blueprint of life?
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What is a crucial function of DNA in relation to cell reproduction?
What is a crucial function of DNA in relation to cell reproduction?
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How is lysing the cell of a piece of fruit achieved in DNA isolation?
How is lysing the cell of a piece of fruit achieved in DNA isolation?
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