The syringe contains live R strain and heat-killed S strain pneumonia bacteria

A) the mouse will stay alive
B) live S strain bacteria will be detected in the mouse's blood.
C) no live S strain will be detected in the mouse's blood.
D) none of the above.


Answer: B) live S strain bacteria will be detected in the mouse's blood.

Biology & Microbiology

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Answer the following statement true (T) or false (F)

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The RNA molecules of an RNA world on early Earth may have been composed of bases other than A, U, G, and C

because ____.

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As natural selection increases the frequency of one morphological form over another in the population, what changes at the genotypic level?

What will be an ideal response?

Biology & Microbiology

Which of the following pairs is mismatched?

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Biology & Microbiology