Microorganisms Quiz

The member of the domain Bacteria whose genome shows it to be most closely related to the Archaea is

Thermotoga

The spirochetes include the causative agents for

Lyme disease

The phylum ____ is thought to represent the oldest branch of bacteria

Aquifer

Some species of cyanobacteria can fix atmospheric nitrogen

True

The infectious stage of chlamydiae is called a(n) ____ body

elementary

Bacteriodes inhabit the intestinal tract of mammals and benefit the host by degrading:

cellulose, pectin, complex carbohydrates

Members of the genus Rhizobium

grow symbiotically in root nodules of legumes where they fix nitrogen

Members of the genus Pseudomonas ____

are aerobes that mineralize a wide variety of organic compounds

Streptomycetes produce many of the antibiotics we use in medicine

TRUE

Clostridium cause which of the following?

Botulism

Members of the genus Mycobacterium cause which of the following diseases in humans?

Tuberculosis and Leprosy

Species of the genus Lactobacillus

are important normal vaginal flora

Overgrowth of the skin bacterium Proprionibacterium acne’s may lead to ____ ______.

body odor

Members of the genus Staphylococcus are normally associated with

skin, skin glands, mucous membranes

All types of methanogenesis are poisoned by ____ and therefore require extreme _____.

oxygen; anaerobiosis

Which of the following is unique to archaea?

pseudopeptidoglycan

Commercial evaporation pools for salt production benefit from the presence of red ___, whose light absorption accelerates heating and evaporatio.

haloarchaea

Which of the following groups of bacteria is most related to eukaryotic mitochondria?

Rickettsia

Which of the following is the common feature of Bacilus and Clostridium?

Both form endospore

Members of the genus Bacillus are spore-forming, aerobic, and catalase positive

true