Biology, 25.02.2021 14:00 Charley9752
Why was Griffith surprised when the mice injected with both harmless and heat-killed bacteria developed pneumonia and died?
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In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia
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Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above
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Biology, 22.06.2019 10:00
The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .
Answers: 1
Why was Griffith surprised
when the mice injected with both harmless and heat-killed bacteria devel...
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