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just olya [345]
2 years ago
11

GIVING OUT A LOT OF POINTS FOR THIS, DONT USE ME OR IMA REPORT

Biology
2 answers:
valkas [14]2 years ago
8 0

Answer:

Viruses cannot reproduce on their own, but inject their DNA into living cells in order to make copies of themselves.

Explanation:

A virus cannot reproduce itself outside the host because it lacks the complicated machinery that a [host] cell possesses.

mamaluj [8]2 years ago
6 0
It’s can inject their DNA
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Explanation:

The Great Oxygen Event marks the time, approximately 2.5 billion years ago, when there was enough oxygen in the atmosphere to support a major burst of life on Earth

For the first half of the Earht's history, there was no oxygen in the atmosphere. It was inhabited only by single-celled organisms.Of  those simple life forms, the cyanobacteria may have. evolved a way to take energy from sunlight, and used it to make sugars out of water and carbon dioxide. They used the same chemical process we know as photosynthesis. This released vast quantities of oxygen into the atmosphere and  triggered the evolution of complex life.

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After Meiosis 2, how many chromosomes will I have in each cell if I start with 48 chromosomes in my original parent cell? Is the
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3 years ago
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From The Bacteriophage T4 Virus
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