Avery,MacLeod,and McCarty (1944)demonstrated That DNA Was the Genetic Material by Treating

question 2

Multiple Choice

Avery,MacLeod,and McCarty (1944) demonstrated that DNA was the genetic material by treating heat-killed Streptococcus pneumoniae S (smooth) strain with DNase,thereby preventing transfer of the "transforming substance" from the killed S strain to the live R (rough) strain when the two were mixed together and injected into mice.Another way that one could demonstrate transformation in bacteria would be to extract DNA from

• A)an R strain and mix it with cells of an S strain.
• B)both S and R strains and mix it to allow recombination to take place.
• C)an ampicillin-sensitive strain and mix it with cells of an ampicillin-resistant strain.
• D)an S strain and mix it with cells of an R strain.
• E)None of the above are correct.

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Definitions:

File Extension

The suffix at the end of a filename that indicates the file type and determines which program can open it.

Data File

A digital file that stores data in a structured format, enabling efficient access and processing.

Subfolders

Nested folders created within a main folder to organize files more efficiently.

Desktop

The primary user interface of a computer's operating system, displayed on the screen after the system has booted up.