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Untitled Flashcards
Micro Lab quiz 2
Study
Question
Enriched
Answer
complex media, rich in nutrients used to support growth of fastidious bacteria
Question
General purpose
Answer
complex media, rich in bacterial species
Question
Complex
Answer
such as digests, extracts and blood have unknown or variable composition
Question
Chemically defined
Answer
amount and composition of all media ingredients known
Question
Motility agar?
Answer
lower concentration of agar, 0.5%
Question
What is agar?
Answer
Solidifying, 1% to 2%
Question
What are the different types of correction knobs?
Answer
4X, 10X, 40X, 100X
Question
What needs to be used when using the 100X lens?
Answer
Oil immersion
Question
Why should the fine focus knob typically be used with the 10X and 40X objective lenses?
Answer
The slide should be close to in focus after focusing at the 4X object. Focusing with the coarse knob would result in too large a change in focus.
Question
How do the coarse and fine focus knobs work on a brightfield microscope?
Answer
The focus knobs moves the stage up and down
Question
Wha makes it fine focus?
Answer
Fine focus knob
Question
What controls the up and down movement of the microscope?
Answer
Focus knob