In 1952, the american scientists martha chase and alfred hershey identified dna as a cell's hereditary material. what was the technological effect of this scientific breakthrough? a. the development of genetic engineering b. the invention of vaccines c. the development of mechanical hearts d. the discovery of antibiotics
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What in scientific term why the salty popcorn causes this thirst
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The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods.c. it shows that these organisms share the same habitat.d. it provides evidence that these organisms suffered a genetic mutation.
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In 1952, the american scientists martha chase and alfred hershey identified dna as a cell's heredita...
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