Microbiology WCC Keith || Already Graded A+.
ocular lens correct answers 10x eyepiece
scanning (low) power objective correct answers x10
scanning high power objective correct answers x40
scanning oil correct answers x100
total magnification correct answers ocular x objective
refraction correct answers measure of dispersal of visual light as it passes through different material/ different density
minimize refraction correct answers using oil, same index as glass
working distance correct answers the distance between the specimen and the objective lens
par focal correct answers when one lens is in focus, the other lenses will also have the same focal
length and can be rotated into position without further major adjustment.
morphology correct answers shape of bacteria
coccus correct answers round
Coccus example correct answers Streptococcus
straphylococcus correct answers staph infection; MRSA; anti-biotic resistant; cluster
Streptococcus correct answers strep throat; anti-biotic resistant; diploid arrangement
Bacillus correct answers Rod shaped bacteria inside gut; variation in arrangement
Escherichia coli correct answers gram negative
coccobacillus correct answers whooping cough
Vibrio correct answers comma shaped
Vibrio cholerae correct answers water born
spirillum correct answers spiral shaped bacteria with flagella
Helicobacter pylori correct answers stomach ulcers Campylobacter jejune correct answers diarrhea in children under 4
spirochetes correct answers spiral-shaped bacteria that have flexible walls and are capable of movement; internal flagella; axial filament
Borellia burgdorferi correct answers Lyme disease
Treponema pallidum correct answers syphilis
media correct answers used to grow culture in
cell culture correct answers eukaryotic cells; complex
Microbial culture correct answers viral/ bacterial cultures
defined culture media correct answers exact chemical composition is known
Undefined culture media correct answers non-exact composition
Lysogeny Broth (LB) correct answers standard media; defined
Lysogeny broth components correct answers peptides, vitamins, minerals, water
Luria Broth correct answers 0.5g/L; mimics biological condition of body
agar-agar correct answers red algae; porous, non-digestible, complex sugar
bacterial cultivation correct answers 1.5% agar by weight
Robert Koch correct answers isolated and identified tuberculosis
Angelina Hesse correct answers agar
agar correct answers resilience, stability in heat, lack of toxicity, ages well
Preparing a Bacterial Smear correct answers 1. water on slide
2.transfer bacteria w/ loop
3. mix bacteria/water, spread
4. air dry
5. put slide through Bunsen burner 3X
HFBS correct answers heat fixing bacterial smear; less is more; entirely dry; don't overheat
gram stain correct answers bacterias ability to retain dye; mostly pathogenic
differential stain correct answers two or more dyes
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