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prisoha [69]
3 years ago
9

It has been theorized that the organelles of eukaryotic cells evolved from prokaryotes living symbiotically within a larger cell

. explain three lines of evidence that support this theory.
Biology
1 answer:
BigorU [14]3 years ago
4 0
Three lines of evidence that support the endosymbiotic theory:

1. The presence of membrane- Organelles like mitochondria and plastids have their own cell membranes, just like a prokaryotic cell does,

2. The presence of DNA- Each of these organelles have its own DNA genome, like a bacteria's genome, but much smaller.

<span>3. Reproduction (division)-Multiplication of the organelles occurs just like in bacteria, by division.</span>

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Which part of the brain is associated with ten of the 12 cranial nerves
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Hey there!

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Cranial nerves originate from the brain itself, and spinal nerves come from the spinal cord. Damaging any can cause serious injury like death and paralysis. There are 12 cranial nerves in the nervous system, and 10 out of 12 originate in the brain stem.

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borishaifa [10]

1. The strength of magnetic field at A is 64 unit, then the magnetic field strength at B. is 256 units.

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arrow (which creates the resultant vector)

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