3. The promoter region contains a consensus sequence where transcription factors bind to initiate transcription. Which of the following is the promoter consensus sequence found in din eukaryotes? Pribnow box AALAAA sequence Shine-Dalgarno sequence Goldberg Hogness box 4. Nonpathogenic microorganisms are present in abundance in the human gut. They help prevent establishment of infection from pathogenic microorganisms by competing for nutrients. Which of the following best describes this process? Geographical isolation Competitive exclusion Selective pressure Mimicry Activate Windo

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