From his transformation experiment Griffith concluded with transforming principle might be?
DNA
Polysaccharide Capsule
RNA
None
Related Questions
The Hershey-Chase experiment provided definitive evidence that DNA is the genetic material. Which of the following best describes their experimental approach?
Observing bacterial transformation using purified protein extracts
Analyzing the chemical composition of chromosomes
Radioactively labeling phage DNA and protein to track their fate during infection
Studying the inheritance patterns of mutant bacteria
Which of the following is NOT a characteristic of a good genetic material?
Able to replicate accurately
Chemically and structurally stable
Must be easily degradable
Scope for slow changes (mutations)
Which component of the bacteriophage was found inside the bacteria in the Hershey-Chase experiment, confirming DNA as the genetic material?
Radioactively labeled protein (35S)
Radioactively labeled DNA (32P)
Both radioactively labeled protein and DNA
Neither radioactively labeled protein nor DNA
Which one of the following is correctly matched?
Frederick Griffith - Discovered the phenomenon of transformation
Linus Pauling - Isolated DNA for the first time
Francis Crick - Proposed one gene-one polypeptide hypothesis
George Beadle - Proposed the concept of inborn errors
From his transformation experiment Griffith concluded with transforming principle might be?
DNA
Polysaccharide Capsule
RNA
None
Which scientist's experiment definitively proved that DNA is the genetic material?
Hershey and Chase
Avery, MacLeod, and McCarty
Griffith
Meselson and Stahl
In Griffith's experiment, which strain of Streptococcus pneumoniae caused the death of mice?
S strain (smooth)
R strain (rough)
Heat-killed S strain
Heat-killed R strain
Which characteristic of DNA makes it a more stable carrier of genetic information compared to RNA?
The presence of uracil instead of thymine
Its single-stranded structure
The presence of deoxyribose sugar instead of ribose sugar
Its susceptibility to alkaline hydrolysis
Which of the following is NOT a key feature of the transforming principle, as demonstrated by Griffith?
It is composed of protein.
It can change the characteristics of bacteria.
It can be passed from one generation of bacteria to the next.
It was later identified as DNA.
