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qaws [65]
3 years ago
7

Do prokaryotes form chromosomes before they divide? Explain

Biology
1 answer:
borishaifa [10]3 years ago
8 0

Answer:

The prokaryotic chromosome is a single DNA molecule that first replicates, then attaches each copy to a different part of the cell membrane. When the cell begins to pull apart, the replicate and original chromosomes are separated.

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Threats to the tundra biome

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Tundra ecosystems are treeless regions found in the Arctic and on the tops of mountains, where the climate is cold and windy, and rainfall is scant. Tundra lands are covered with snow for much of the year, but summer brings bursts of wildflowers.

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