Biology, 19.02.2020 01:53 mslamaya11
Bt crops, including potatoes and cotton, are genetically engineered using laboratory techniques. Which of the following utilizes recombinant DNA technology to produce advantageous traits in the crops that are produced?
A. Genetically engineered crops have natural characteristics that give them a genetic advantage.
B. Genetically engineered crops have a genetic advantage because the parent strains have advantageous traits.
C. Genetically engineered crops have an advantageous gene from another organism inserted into their genome.
D. Genetically engineered crops naturally produce larger plants and bountiful products.
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 08:00
Residential construction is expanding in florida, the expansion has caused fragmentation of habitats, one of the results of the increased construction is a decrease in the number of large predators such as the coyote, black bear and pool panther, which will be the most immediate local result of this fragmentation? 1)large predators will become extinct 2)decrease in middle sized predators 3)increase in population of top carnivores 4)increase in population of prey species
Answers: 1
Biology, 22.06.2019 09:20
Give examples of selective advantage of organism’s body part/organ
Answers: 1
Bt crops, including potatoes and cotton, are genetically engineered using laboratory techniques. Whi...
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