Respuesta :
The main difference between eukaryotic and prokaryotic cells is that eukaryotic cells have a nucleus. The nucleus is where cells store their DNA, which is the genetic material. The nucleus is surrounded by a membrane. Prokaryotic cells do not have a nucleus. Instead, their DNA floats around inside the cell.
The correct way of distinguishing an unknown microscopic organism to be classified as a prokaryote or eukaryote is to observe the unknown sample under a microscope.
Matching the observed cellular components with the characteristic structural components of eukaryotic or prokaryotic cells as eukaryotic and prokaryotic cells have some characteristic differences.
Eukaryotic cells:
- true nucleus present around nucleoplasm
- double membrane-bound cellular organelles present
- vacuole present
- cell wall may or may not be present
- cytoplasmic membrane present
- microtubules present
- lysosomes present
Prokaryotic cells:
- true nucleus absent
- double membrane-bound cellular organelles absent
- vacuole absent
- cell wall present
- cytoplasmic membrane absent
- microtubules absent
- lysosomes absent
- pili or flagella present
There are other methods also present such as dichotomous key, comparing the unknown sample with the known sample of both types.
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