Biology, 12.03.2021 14:00 marissa2367
What atmospheric condition caused London's "killer smog of 1952 and regularly causes smog
buildup in some cities, such as Los Angeles and Mexico City
convection current
temperature inversion
Cacid deposition
D cold front
Answers: 3
Biology, 21.06.2019 20:00
You have been asked to lead a demonstration for the undergraduate microbiology lab course about the uses of negative staining when studying bacteria. a "negative" stain does not stain the bacterial cell itself but stains the space between cells. under magnification, the acidic (negativelycharged) nature of the stain will be repelled by the negatively charged bacterial cell wall and willleave the cell colorless in a stained background. negative stains are used primarily to reveal the presence of negatively charged bacterial capsules; therefore, they are also called capsule stains. encapsulated cells appear to have a halo surrounding them. the negative stain procedure does not require heat fixation, which limits any chances of alteration in bacterial cell shape and size. the bacterial suspension is added to a drop of stain, such as nigrosin or eosin, and drawn across the glass slide using a coverslip.nigrosin staining-not safranin staining-of klebsiella pneumoniae will allow for the visualization of the cell shape and the determination of the presence of a capsule.true/false
Answers: 1
Biology, 22.06.2019 12:30
Based on her survey, which advertising mediums will work best to publicize leslie's in-store specials?
Answers: 1
Biology, 22.06.2019 15:00
Which characteristic should describe all evidence collected by a scientist? true obvious objective subjective
Answers: 1
Biology, 22.06.2019 16:40
Introducing minvasive species to an ecosystem results in an increase in biodiversity is it true or false
Answers: 1
What atmospheric condition caused London's "killer smog of 1952 and regularly causes smog
buildup i...
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