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MariettaO [177]
3 years ago
15

What are reverse-transcribing viruses?

Biology
2 answers:
Gre4nikov [31]3 years ago
6 0
Reverse-transcribing RNA viruses, such as retroviruses, use the enzyme to reverse transcribe their RNA genomes into DNA, which is then integrated into the host genome and replicated along with it.
lozanna [386]3 years ago
3 0

Answer:Reverse-transcribing RNA viruses, such as retroviruses, use the enzyme to reverse-transcribe their RNA genomes into DNA, which is then integrated into the host genome and replicated along with it. ... HIV infects humans with the use of this enzyme.

Explanation:

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The decay of uranium isotopes is used to provide information about the age of Earth.

<h3>Explanation:</h3>

Isotopes of Uranium U-232, U-233 , U-234 , U-235 , U-236 , U-238 are used as fuel in nuclear reactors or as explosives for nuclear weapons. Uranium 238 is not very radioactive and it constitutes for nearly 99.3% of natural uranium on Earth and has the longest lifetime: its period is 4.5 billion years, about the age of Earth.

Use of radiometric dating techniques help in defining the age of substances (natural or man-made) using the known decay rates of radioactive elements. Each element has an  individual decay rate and half life time.

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