Exam 19: Microbial Taxonomy and the Evolution of Diversity

Phylogenetic trees are usually constructed using either a distance-based ( )approach.

Transformation is not useful in determining relatedness between two organisms because it frequently crosses genera.

Which of the following is useful in biological systematics?

The determination of the taxon to which an organism belongs is called ______.

A classification system based on mutual similarity that involves comparing as many characteristics as possible is called a __________ system.

The two major approaches used in taxonomic classification of microorganisms that have been isolated and grown in pure culture are termed .

A general term used to describe groups based on mutual similarity or evolutionary relatedness is ______.

Which of the following is true about Bergey's Manual?

The ancestors of modern _______________ performed the oxygenic photosynthesis responsible for converting our anoxic planet to an oxygenated one.

Stable annealing due to hydrogen bonding between DNAs of similar nucleotide sequence from different organisms is referred to as _______.

A theory of eukaryotic cells and nuclear origin is based on endosymbioses,where an archaeal cell is thought to have engulfed a bacterium,which then donated genes that would eventually become the nuclear genome of an ancestral eukaryote.

A(n)tree gives a node that serves as the common ancestor and shows the development of the species from this origin.

Genomic DNA sequences seem to support the idea that the first eukaryotic cell arose from within the _____ lineage.

The binomial system of nomenclature assigns each organism a scientific name consisting of

Serovars are strains of a species that have distinctive antigenic properties.

Bacterial strains that are characterized by biochemical differences are called __________.

The second edition of Bergey's manual groups pathogenic species together rather than in phylogenetic groups.

The type strain is a well-characterized strain to which other strains are compared for inclusion in or exclusion from a particular species.

According to the endosymbiosis hypothesis

rRNA signature sequences can be used to place microorganisms in the correct domain.