10 Questions
What is a common method used to determine the relatedness of organisms based on their genetic material?
Phylogeny
Which type of bacteria is known for its ability to form endospores as a survival mechanism?
Firmicutes
Which factor plays a crucial role in regulating gene expression in bacteria by binding to RNA polymerase?
Sigma factors
What is the term for the total number of viable bacterial cells per unit volume in a sample?
Cfu per ml
Which bacterial group is responsible for nitrogen fixation, aiding in converting atmospheric nitrogen into a usable form?
Alpha proteobacteria
Which process involves aligning sequences of DNA, RNA, or protein to identify similarities between them?
Sequence alignment
Which microbial group is characterized by having a cell wall structure that includes an outer membrane?
Gram-negative bacteria
Which term refers to the specific study of how genes function within prokaryotic cells?
Gene expression
In microbial ecology, what does species richness refer to?
Number of different bacterial species present in a community
What is the term for the common ancestor of all life on Earth?
LUCA
Test your knowledge on the domains of life in microbiology with this multiple choice quiz. Each question has 5 possible answers, with only 1 correct option among the 4 incorrect ones. Explore topics related to domains of life in microbiology.
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