What percent of children under the age of 18 visit an emergency room annually?
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Health, 22.06.2019 11:10, bibhu42kumarp7o4ss
Does anyone have an answer to this question? if so me.
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Health, 23.06.2019 04:31, laylay7383
Why do rna viruses appear to have higher rates of mutation? a) rna nucleotides are more unstable than dna nucleotides. b) replication of their genomes does not involve proofreading. c) rna viruses can incorporate a variety of nonstandard bases. d) rna viruses are more sensitive to mutagens.
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