Exam 9: An Introduction to Taxonomy: the Bacteria

A useful technique for comparing different bacterial species based on if they are susceptible to infection by the same virus is called _____.

.Which of the following criteria is not commonly used to classify Bacteria?

What is a species? How are species determined for bacteria and plants/animals? Is the notion of a species still relevant when morphology,ecology/environmental pressures and phylogeny may present such differing ways in which to organize organisms and their relatedness.

According to the three-domain classification system an organism with a cell wall made of peptidoglycan would belong to the _____.

A eukaryotic,multicellular organism that has no cell wall would be classified as a/an:

Organisms are generally classified according to _____.

The five kingdom system of classification was developed by _____.

To classify new microbes,modern genetic techniques are employed. Why would the evolutionarily relatedness of genes (genetic homology)be more useful than morphology? How are ribosomal RNAs used to study evolutionary relationships among organisms?

Which groups of animals are not usually of concern to the microbiologist?

Which one of the following microorganisms has its own kingdom in the five-kingdom of classification?

A prokaryotic cell would have been assigned to which of the taxonomic Kingdoms?

The binomial name of a microbe is composed of its _____.

Fossil studies indicate that life on earth first arose about 4 billion years ago. How many billion years ago did multicellular living organisms appear in the fossil record?

The 16S rRNA is used to study evolutionary relatedness because _____.

A bacterial strain contains _____.

Organisms in the same ________ are more closely related than are organisms in the same ________.

In the five-kingdom system of classification,_____.

Genetic homology determines evolutionary relationships among organisms based on:

Which one of the following is a prokaryote without a cell wall?

Binomial nomenclature was originated by ______.