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Questions and Answers
What is the function of a turbidostat in a bacterial culture?
What is the function of a turbidostat in a bacterial culture?
- To measure the absorbance using a photocell
- To remove bacteria from the culture chamber
- To regulate the flow rate of media to maintain a predetermined cell density (correct)
- To introduce limiting nutrients to control growth rates
Who discovered the helical structure of DNA using x-ray crystallography?
Who discovered the helical structure of DNA using x-ray crystallography?
- Phoebus A.T. Levine
- James Watson
- Frederick Miescher
- Rosalind Franklin (correct)
Which scientists revealed the dimensional structure of the DNA molecule?
Which scientists revealed the dimensional structure of the DNA molecule?
- Phoebus A.T. Levine and Rosalind Franklin
- James Watson and Francis Crick (correct)
- Rosalind Franklin and James Watson
- Frederick Miescher and Phoebus A.T. Levine
What is the primary determinant of the information contained in DNA?
What is the primary determinant of the information contained in DNA?
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What differentiates RNA from DNA in terms of structure?
What differentiates RNA from DNA in terms of structure?
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How does a turbidostat differ from a chemostat?
How does a turbidostat differ from a chemostat?
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What does the twisted double-stranded helical structure of DNA resemble?
What does the twisted double-stranded helical structure of DNA resemble?
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