Exam 22: Bacteria the High G+C Gram Positives

Actinoplanetes that dwell in the soil play an important role in plant and animal decomposition.

A(n) _____________ mycelium is a branching network of fibers on and/or beneath the surface of the agar growth medium.

Members of the genus Micrococcus are frequently pigmented and may grow in yellow, red, or orange colonies.

Which of the following can be used to help classify actinomycetes?

Actinoplanetes have extensive __________ mycelia.

Members of the genus Micrococcus usually exist as

Species of the genus Corynebacterium

Actinomycetes produce many of the antibiotics we use in medicine.

Actinomycetes are gram-positive, spore-forming bacteria.

Although actinomycetes vary in many ways, they all share a common type of cell wall.

The spores of streptomycetes are

Which of the following is(are) true about actinomycete spores?

A(n) _____________ mycelium is a branching network of filaments that rises above the agar growth medium.

Some of the high G + C gram-positive bacteria such as Arthrobacter divide by means of snapping division.

A distinguishing characteristic of actinomycetes that can be used to classify these organisms is the types of sugars found in extracts of the organisms.

The streptomycetes form spores by division of the cells of the aerial mycelia in

Actinomycetes

The actinoplanetes can be found in _______ habitats.

The skin infection streptothrichosis is caused by members of the genus

Actinomycete spores are usually formed on __________ mycelia.