How could you test whether the transforming ability of a cell extract was due to DNA or RNA?

What will be an ideal response?


You could treat the extract with a DNase or RNase enzyme and test whether its transforming ability was intact.

Biology & Microbiology

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plasma membrane

A. a feature of all cells B. found in prokaryotic cells only C. found in eukaryotic cells only D. found in plant cells only E. found in animal cells only

Biology & Microbiology

The end result of meiosis is

What will be an ideal response?

Biology & Microbiology

Which of the following nitrogenous bases is NOT normally found in DNA?

a. thymine b. cytosine c. adenine d. uracil e. guanine

Biology & Microbiology

Bateson and Punnett crossed two white-flowered lines and saw all purple flowers in the F1 generation. They concluded this was an example of complementary gene interactions because a cross of the F1 plants yielded what ratio in the F2 generation?

A) 8 purple to 8 white B) 16 purple to 0 white C) 0 white to 16 purple D) 7 purple to 9 white E) 9 purple to 7 white

Biology & Microbiology