Why are excessive concentrations of phosphorus sometimes considered a pollutant

1 answer:

3 0

Excessive concentration of phosphorus is considered a pollutant because crops often cannot absorb all of the fertilizer in the soils, causing excess fertilizer runoff and increasing phosphate levels in bodies of water.

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Which landforms go into which category? Fan, Dunes, Rockfall, Sea caves, sea stack, sandbar Gravity Wind Wave Action - - - - - -

Ivan

Answer:

Sea caves

Explanation:

Sea caves is a land form that is formed in a cliff by the action of wave of the ocean or lakes. It is called littoral cave and mainly formed by wave action of a sea which involved the process of mechanical erosion and occur in clogged coast where there is break in the wave or wave action.

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Ras is a GTP-binding protein involved in cell proliferation (division). In its active form, with GTP bound, Ras activates cell s

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Answer:

E. They decrease the rate at which Ras hydrolyzes GTP.

Explanation:

Activated Ras has GTP bound to it, this propagates an intracellular signal to the nucleus where cell proliferation is induced. Thereafter proliferation is switched off by the hydrolysis of the bound GTP to GDP.

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You overheard a classmate in the hallway say the following statement.

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I would say, no it gets colder because you become exposed to space where heat isn’t trapped in

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Answer:

Ribosomes are found 'free' in the cytoplasm or bound to the endoplasmic reticulum (ER) to form rough ER.

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In a mammalian cell there can be as many as 10 million ribosomes. Several ribosomes can be attached to the same mRNA strand, this structure is called a polysome.

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