Biology, 25.10.2019 00:43 ankomamasonjr
Green fluorescent protein (gfp) can be used to fluorescently label a specific protein in cells by genetically engineering cells to synthesize the target protein fused to gfp. what is the advantage of using gfp fusions to visualize specific proteins, instead of staining cells with fluorescently labeled probes that bind to the target protein?
a. gfp fusions enable one to track changes in the location of the protein in living cells; staining usually requires preserved cells.
b. gfp fusions enable higher resolution than staining with fluorescent probes.
c. gfp permits the position of the protein in the cell more precisely than fluorescent probes.
d. gfp permits visualization of protein-protein interactions; fluorescent probes do not.
e. gfp fusions are not subject to artifacts; fluorescent probes may introduce background artifacts.
Answers: 2
Biology, 21.06.2019 19:30
Give the biological term for: structures that display characteristics of living organisms only within living cells
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Biology, 21.06.2019 20:00
What causes an unsaturated fatty acid to have a different shape than a saturated fatty acid? o a. unsaturated fatty acids have more hydrogen atoms. o b. unsaturated fatty acids have double carbon bonds. o c. unsaturated fatty acids have more nitrogen atoms. o d. unsaturated fatty acids have single carbon bonds.
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Biology, 22.06.2019 00:10
Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.
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Biology, 22.06.2019 02:00
What is the difference between an igneous, sedimentary and metamorphic rock
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Green fluorescent protein (gfp) can be used to fluorescently label a specific protein in cells by ge...
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