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Why is avian influenza (H5 N1) rarely transmitted from poultry to humans? Why is it is often lethal in humans? Why is it rarely spread from person to person?
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What links the two strands in a dna helix together in the middle? a. phosphate groups b. sugar rings bonded together c. proteins d. bases with hydrogen bonds
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What is the term for the two sets of chromatids formed in the parent cell a. haploid b. diploid c. gamete d. tetrad
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Which short-term environmental changes would a very small asteroid or comet impact on earth most likely cause? check all that apply. flooding extinction craters on surface changes in weather patterns death of organisms and populations
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Why is avian influenza (H5 N1) rarely transmitted from poultry to humans? Why is it is often lethal...
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