Basic Microbiology with Clinical Perspective Exam Questions and Answers.
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Course
Microbiology
Institution
Microbiology
prokaryotes (bacteria and archaea) have: - Answerscytoplasm, cytoskeleton, DNA (1 chromosome or nucleoid), ribosomes, no membrane bound organelles, cell membrane
ALL prokaryotes are: - Answersunicellular, much smaller than eukaryotic cells
capsule - Answerscoating or layer of molecules external t...
Basic Microbiology with Clinical Perspective Exam Questions and Answers.
prokaryotes (bacteria and archaea) have: - Answerscytoplasm, cytoskeleton, DNA (1
chromosome or nucleoid), ribosomes, no membrane bound organelles, cell membrane
ALL prokaryotes are: - Answersunicellular, much smaller than eukaryotic cells
capsule - Answerscoating or layer of molecules external to the cell wall. it serves serves
protective, adhesive, and receptor functions
flagella - Answersprovides motility
pili - Answershollow appendage used in the transfer of DNA to other cells
fimbriae - Answersfine hairlike bristles extending from the cell surface that help in
adhesion to other cells and surfaces
plasmids - Answerscontains extra DNA
inclusions - Answersstored nutrients that can be tapped into when needed
endospores - Answersdormant body formed within some bacteria that allows for their
survival in adverse conditions
cell wall - Answersmade of peptidoglycan
biofilms - Answers3D glycocalic matrix
1 um - Answersaverage cell size
.05 - .2 um - Answersnanobacteria
monomorphism - Answersa single shape
pleomorphism - Answersmultiple shapes
coccus - Answersspherical shaped
rod/bacillus - Answersrod shaped
vibrio - Answersbent rod
spirillum - Answersspiral shaped (corkscrew)
spirochete - Answersresembles a spring; tight
branching filaments - Answersbranch off each other; thinner
streptococcus - Answersvariable number of coci in chains
tetrad - Answerscocci in packets of four
sarcina - Answerspacket of 8-64 cells
staphylococci - Answersirregular clusters
atrichous - Answersno flagella
monotrichous - Answers1 flagella
lophotrichous - Answers2 or more flagella
amphitrichous - Answersflagella on both ends of cell
peritrichous - Answersflagella all over cell
peptidoglycan - Answersglycan sugar chains cross-linked by short peptide fragments
gram positive bacterial cell - Answerscell wall has thick peptidoglycan layer; one
membrane (IM)
gram negative bacterial cell - Answerscell wall has thin peptidoglycan layer; 2
membranes (OM and IM); Porins and Periplasm; Lipopolysaccaride and Lipoproteins
Lipopolysaccharide (LPS) - Answersin outer membrane (OM) in gram bacteria; contains
Lipid A (endotoxin)
lipid A - Answersstimulates fever and shock when found in excess
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