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How did democracy and capitalism interact with this revolution in transportation?

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Retroviruses such as HIV and hepatitis B virus use RNA as their genetic material rather than DNA. In addition, they contain molecules of reverse transcriptase, an enzyme that uses an RNA template to synthesize complementary DNA.Which of the following best predicts what will happen when a normal cell is exposed to a retrovirus?ResponsesA. The reverse transcriptase will cut the host DNA into fragments, destroying the host cell.B. The reverse transcriptase will insert the viral RNA into the host's genome so it can be transcribed and translated.C. The reverse transcriptase will produce DNA from the viral RNA, which can be incorporated into the host's genome and then transcribed and translated.D. The reverse transcriptase will force the host ribosomes to translate the viral RNA prior to polypeptide

Small single-stranded RNA molecules called microRNAs (miRNAs) are capable of base pairing with specific binding sites in the 3′ untranslated region of many mRNA transcripts. Transcription of gene Q yields an mRNA transcript that contains such an miRNA binding site, which can associate with miRNA‑delta, a specific miRNA molecule.Which of the following best supports the claim that binding of miRNA‑delta to the miRNA binding site inhibits translation of gene Q mRNA?ResponsesA. When the promoter for gene Q is altered, transcription is inhibited.B. Translation of Q mRNA is inhibited regardless of whether the miRNA binding site sequence is altered.C. Translation of Q mRNA is inhibited in the absence of miRNA‑delta.D. When the miRNA binding site sequence is altered, translation of Q mRNA occurs in the presence of miRNA-delta.

The return of what fugitive slave rallied the North against the reach of the slave power into free states and convinced the South that there was a northern conspiracy to limit or end slavery? Why?

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