Answer:
To test the presence of protein in the food substance which gives a blue-to-purpule colour
Answer:
Graptolites lived from the Cambrian Period, about 510 million years ago, disappearing in the Carboniferous Period, around 320 million years ago.
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The answer is false.
an available phosphate group would be found at the 5' end of the nucleotide labeled A. The 5′-end of a DNA contains a phosphate group that is attached to the 5′ carbon of the ribose ring and that A phosphate group permits ligation of two nucleotides ( phosphodiester bond).
Answer:
the correct choice is B
located roughly between the orbits of the planets Mars and Jupiter. It is occupied by numerous irregularly shaped bodies called asteroids or minor planets.
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c the comet turns into a shooting star and is gone forever