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Cell Genetic Material and DNA

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Questions and Answers

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?

DNAse (correct)
Helicase
Ligase
RNA polymerase

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?

DNA (D) Signup and view all the answers

What is the function of liquid detergent in the procedure?

To break down cell membrane (D) Signup and view all the answers

What is one of the key requirements for an organism to be considered a cell?

Possession of genetic material (A) Signup and view all the answers

Which macromolecule encodes all the biological information about the cell?

DNA (B) Signup and view all the answers

Why is the DNA referred to as the molecular blueprint of life?

Due to its ability to carry genetic information and pass on traits (D) Signup and view all the answers

What is a crucial function of DNA in relation to cell reproduction?

Self-replication (C) Signup and view all the answers

How is lysing the cell of a piece of fruit achieved in DNA isolation?

Blending or smashing the fruit (A) Signup and view all the answers

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