Microbial Communities and 16S Ribosomal Gene Quiz
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Questions and Answers

What is the 16s ribosomal gene used for in analyzing microbial populations?

  • To categorize bacteria to at least the family level (correct)
  • To determine the size of bacterial ribosomes
  • To identify the order of A, T, G, and C's in bacteria
  • To extract DNA from a microbial sample
  • What is the most common method for sequencing the 16s ribosomal gene?

  • Amplifying the gene through PCR and then sequencing the amplified genes (correct)
  • Using established databases to identify bacterial species
  • Analyzing the conserved regions of the gene
  • Directly comparing microbial populations
  • What factors contribute to the colonization of microbiota in humans early in life?

  • Maternal diet and weaning
  • Parental factors, neonatal factors, and postnatal factors
  • Geographical location, family members, and host interactions
  • Mode of delivery, gestational age, and feeding (correct)
  • What does the term 'microbiota' refer to?

    <p>Bacteria, archaea, fungi, and non-human eukaryotes living in or on our bodies</p> Signup and view all the answers

    What makes the 16s ribosomal gene an ideal target for analyzing microbial populations?

    <p>Conserved regions critical for function and enough differences to categorize bacteria to at least the family level</p> Signup and view all the answers

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