Biology, 19.04.2021 19:30 naomijamieson88
The feeding tube inserted in the man’s nose is necessary for him to survive. It delivers food to him each day, but his mass is never changing. The nurses who take care of him have to change diapers that contain poop and pee multiple times each day. Use your model of chemical reactions in living things to explain what is going on here. Your
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Biology, 21.06.2019 17:30
If a set of instructions that determines all of the charactersitics of an organism is comparedto a book,and a chromosme is compared to chaper in the book,then what might be compared to a paragraph in the book?
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Biology, 21.06.2019 19:00
Which element provides strength to the exoskeleton of clams and oysters
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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
The feeding tube inserted in the man’s nose is necessary for him to survive. It delivers food to him...
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