DNA Manipulation and Inheritance Mystery

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What did Hershey and Chase's experiment confirm about the genetic material of bacteriophage T2?

It consists of a combination of DNA and protein molecules.

It consists solely of DNA molecules. (correct)

It consists solely of protein molecules.

It consists of RNA molecules.

Why did Hershey and Chase use radioactive sulfur in one batch and radioactive phosphorus in another batch during their experiment?

To determine if phosphorus is present in phage DNA.

To determine if sulfur is present in phage DNA.

To determine if sulfur is present in phage protein. (correct)

To determine if phosphorus is present in phage protein.

What was the significance of Hershey and Chase's experiment using two contrasting elements, DNA and protein, in bacteriophage T2?

It allowed them to study the effects of radiation on DNA.

It demonstrated the role of RNA in genetic transfer.

It enabled them to conclusively show that DNA is the genetic material. (correct)

It helped them determine the structure of protein molecules.

What was the main outcome of Hershey and Chase's experiment with bacteriophage T2?

The confirmation that DNA is the genetic material. Signup and view all the answers

How did Hershey and Chase determine whether phage DNA or protein was transferred to E.coli during infection?

By using radioactive labeling and tracking sulfur and phosphorus. Signup and view all the answers

What did Hershey and Chase's experiment with bacteriophage T2 illustrate about the study of genetics?

The significance of choosing the right model organism for experiments. Signup and view all the answers

What was the leading candidate to be the genetic material before the 1940s?

Proteins Signup and view all the answers

Why did proteins seem to be a stronger candidate as genetic material compared to DNA?

Proteins were made from 20 different amino acids. Signup and view all the answers

How did biologists establish the role of DNA in heredity?

Through experiments with bacteria and viruses Signup and view all the answers

Who was the British medical officer mentioned in the text that contributed to the discovery of the genetic role of DNA?

Frederick Griffith Signup and view all the answers

What was Frederick Griffith trying to develop a vaccine against?

Pneumonia Signup and view all the answers

What happened when Griffith mixed killed pathogenic bacteria remains with living harmless bacteria?

Some living bacteria became pathogenic Signup and view all the answers

DNA Manipulation and Inheritance Mystery

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Questions and Answers

What did Hershey and Chase's experiment confirm about the genetic material of bacteriophage T2?

Why did Hershey and Chase use radioactive sulfur in one batch and radioactive phosphorus in another batch during their experiment?

What was the significance of Hershey and Chase's experiment using two contrasting elements, DNA and protein, in bacteriophage T2?

What was the main outcome of Hershey and Chase's experiment with bacteriophage T2?

How did Hershey and Chase determine whether phage DNA or protein was transferred to E.coli during infection?

What did Hershey and Chase's experiment with bacteriophage T2 illustrate about the study of genetics?

What was the leading candidate to be the genetic material before the 1940s?

Why did proteins seem to be a stronger candidate as genetic material compared to DNA?

How did biologists establish the role of DNA in heredity?

Who was the British medical officer mentioned in the text that contributed to the discovery of the genetic role of DNA?

What was Frederick Griffith trying to develop a vaccine against?

What happened when Griffith mixed killed pathogenic bacteria remains with living harmless bacteria?

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