List two different ways you could change the buffer to elute the bound protein(s) and achieve proper separation of the proteins. Select all that apply. Please explain why. a) add a buffer with pH=8.0

b) add a buffer with pH=5.0

c) decreasing the ionic strength of the buffer

d) increasing the ionic strength of the buffer

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

Can someone me with 1 to 4 plz. fast

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils