Exam 22: Bacteria the High G+C Gram Positives

Although the actinomycetes are generally nonmotile, the spores may be flagellated and, therefore, motile.

Members of the genus Thermomonospora.

Bifidobacterium bifidum is a major pathogen in breast-fed babies.

The medically useful compounds some actinomycetes produce when forming aerial mycelia are called

Members of the genus Micrococcus are usually

Members of the genus Actinomyces are either facultative or strict anaerobes that require ________ for optimal growth.

Which of the following is true of the actinomycetes?

The genus Arthrobacter has a distinctive growth cycle in which branched rod-shaped bacteria are produced in the exponential phase, and cocci are found in stationary phase cultures.

Members of the genus Actinomyces are either straight or slightly curved rods, or slender filaments with true branching.

The actinomycetes are capable of degrading a wide variety of organic compounds.

Actinomycete spores formed within a special structure are called

Actinomycetes form

The special structure in which some actinomycetes form their spores is called a

Which of the following antibiotics is (are) produced by actinoplanetes?

The maduromycetes differ from other high G + C gram-positives in that they contain the sugar madurose in cell extracts.

None of the nocardioform actinomycetes are pathogenic to humans.

Actinomycetes are usually found in __________ habitats.

Nocardia are typically found in which of the following environments?