10 Questions
What can define the community structure of an organism?
Functional types
What is the 16S rRNA gene used for?
Identifying poorly described strains
What does molecular phylogeny enable the classification of organisms according to?
Evolutionary relatedness
What did the study of rRNA lead to the definition of?
Three separate 'Domains' of life
What is the 16S ribosomal ribonucleic acid (rRNA) a constituent of?
The small subunit (SSU) of prokaryotic ribosomes
Which type of marine bacteria are usually adapted to growth in nutrient-rich environments?
Gammaproteobacteria
Which marine bacteria are known to occur in a broad variety of marine environments such as plankton, sediments, sea ice, and animal surfaces?
The Roseobacter Clade of Marine Alphaproteobacteria
What is a challenge in providing a culturing media suitable for all microorganisms sampled from a heterogeneous environment?
Unclear fundamental needs of marine bacteria
What type of marine bacteria are usually able to achieve high cell density in cultures?
The Roseobacter Clade of Marine Alphaproteobacteria
Why is marine broth unable to grow oligotrophic cells adapted to nutrient-poor environments?
It lacks essential nutrients for oligotrophic cells
Test your knowledge of microbial communities' structure and dynamics with this quiz. Explore the definition of community structure and learn about its classification based on functional types and taxonomic or phylogenetic identification of organisms. This quiz covers essential concepts related to microbial community organization and is ideal for students and researchers in microbiology and ecology.
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