BIOS 225 Final Exam Review

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BIOS 225 Final Exam Review

• microorganisms that cause disease in even healthy individuals

–Answer primary pathogens

• using microbes to clean up and decontaminate toxic waste, chemical spills or oil spills is

–Answer bioremediation

• in which domain would find the parasitic helminths

–Answer eukarya

• to which kingdom would the yeasts belong

–Answer fungi

• you have been in chemotherapy for the treatment of cancer for a month. you have developed

a Nast Aspergillus (environmental mold) infection in your bronchial tubes. what type of pathogen have you encountered?–Answer opportunistic pathogen

• which of the following is the proper way to type a scientific name

–Answer Staphylo- coccus aureus (italicized)

• which of the following is not true about normal flora

–Answer they can never cause infection

• what scientist proved biogenesis and helped develop the Germ Theory of Disease as well as

a process to help extend the shelf life of beer and wine (now known more for milk) –Answer Louis Pasteurwhat physician introduced aseptic techniques in a surgical setting –Answer 1 / 3

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Joseph Lister

• which type of cell has a nucleus and membrane bound organelles

–Answer eukary- otic cells

• what is the term for an aggregated assembly of bacteria and organic material within a host

that commonly forms on catheters, prosthetic devices and on teeth –Answer biofilm

• bacteria which have a spherical or round shape are called

–Answer cocci

• which of the following would be round or spherical cells found in groups of four

–Answer tetrads

• what is the terms for a flexible spiral shaped bacterium that moves through the use of an axial

filament –Answer spirochete

• the outer membrane is found in the cell walls of (1) bacteria and contains

(2) –Answer

• gram-negative
• lipopolysaccharide
• all of the following participate in the adherence of prokaryotic cells (direct- ly or through

biofilms) –Answer slime layers, fimbriae, and capsules NOT plasma membranes 2 / 3

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• a bacterium with three flagella at one end of the cell has flagella

–Answer lophotrichous

• the part of the prokaryotic flagellum that is used to anchor the flagellum to the plasma

membrane and cell wall and serves as a "motor –Answer for the flagellum is called the –Answer basal body

• functions of the prokaryotic plasma membrane

–Answer transportation of materials into or out of the cells; ATP production; photosynthesis in certain prokaryotic cells NOT production of proteins (protein synthesis)

• the process by which bacteria in a dormant endospore state returns to the vegetative state

–Answer sporulation

• which of the following provides the shape of the prokaryotic cell and protection from

osmotic pressure –Answer cell wall

• which are found in a Gram positive cell wall

–Answer peptidoglycan, NAG, NAM, teichoic acid NOT Lipid A (endotoxin)

• store materials required by bacteria

–Answer inclusion bodies

• what waxy material is found in the cell walls of mycobacterium

–Answer mycolic acid

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