Biology, 15.04.2020 02:06 ICAMARON632
In his attempt to develop a pneumonia vaccine, Frederick Griffith injected mice with various combinations of living and dead bacteria. Keeping in mind that the R strain was the one without a capsule, what was the outcome when Griffith injected dead S bacteria combined with living R bacteria?
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Astructure that is found in a plant cell and not in an animal cell is a ? central vacuole mitochondrion nucleus ribosome
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The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.
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Biology, 22.06.2019 14:00
Compare the shapes of the bones of the human skull with the shapes of the bones of the human leg. how do the shapes differ? why are the shapes important?
Answers: 1
In his attempt to develop a pneumonia vaccine, Frederick Griffith injected mice with various combina...
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