Biology, 25.09.2019 04:40 alphonsobedford7534
Which of the following statements does not correctly relate the mutations in genes and agriculture?
mutations of animals can benefit humans by improving the quality of foods.
mutations of animals can benefit humans by decreasing the nutritional value of food.
mutations of animals can benefit humans by increasing the supply of foods.
mutations of animals can benefit humans by decreasing the cost of foods.
Answers: 2
Biology, 21.06.2019 18:30
Select all the true statements about the cosmic microwave background radiation
Answers: 2
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 03:20
Mrna decodes information from the original dna master plan to build proteins in the during the process of ribosomes.
Answers: 3
Which of the following statements does not correctly relate the mutations in genes and agriculture?...
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