Bio 133 Lab Exam 1 Questions With Verified Correct Solutions.
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Course
BIOL 133
Institution
BIOL 133
Prokaryotes - Answer very small, single celled organisms which lack intracellular membrane bound organelles
Eukaryotes - Answer large single cells or multicellular organisms possessing a nucleus and other membrane bound organelles
Infection - Answer microbes breach the surface, enter...
Bio 133 Lab Exam 1 Questions With
Verified Correct Solutions.
Prokaryotes - Answer very small, single celled organisms which lack intracellular membrane bound
organelles
Eukaryotes - Answer large single cells or multicellular organisms possessing a nucleus and other
membrane bound organelles
Infection - Answer microbes breach the surface, enter body tissues or multiply
Infectious disease - Answer noticeable impariment of body function
Normal Flora - Answer micro organisms on body surface without producing a disease
Transient flora - Answer those inhibiting the body sporadically
What does a viron consist of ? - Answer nucleic acid enclosed in a protein coat ( the capsid)
The envelope - Answer is composed of a membrane which is aquired from the previous host cell during
release of the virus
Obligate intracellular parasite - Answer viruses do not have their own metabolic machinery
Spikes - Answer proteins that are essential to the attachment of a virus to its host cell
, coccus - Answer spherical
bacillus - Answer rod shaped
spirillum - Answer spiral shaped
singly - Answer individual cells
strepto - Answer chains
clumps - Answer staphylo
diplo - Answer pairs
Gram stain - Answer introduced by christrian gram in 1884, most commonly used bacterial strain
Gram postive - Answer thick peptidoglycan layer and cell wall stain is dark purple
Gram negative - Answer thin peptidoglycan layer and cell wall is stained light pink
Aseptic technique - Answer involves steralization, disinfection, of material and antisepsis, sterlization or
sterility
Disinfection - Answer defined as the destricution of pathogenic microbes
-cidal ( lethal) - Answer microbial agents which kill pathogens
-Static - Answer microbal agents which merely inhibit pathogens while in contact
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