Similarities between prokaryotic and eukaryotic cells

Prokaryotic, and eukaryotic cells share basically four common features:

1) A plasma membrane which is known as outer covering membrane it helps to separate the interior part of the cell from its surrounding.

2) Cytoplasm which is consisted of gel like region inside the cell where other parts of the cell are found.

3) Genetic material of the cell which is known as DNA.

4) Ribosomes, which helps in protein synthesis.

hey bro i looked it up on google the structure of the eye-spot in euglena viridie, e. ehrenbergii, and phacus pyriyorme is not as franzé haa described it. the so-called “crystal body” and “lens bodies” were not found in any of the individuals of the species examined by me. as earlier observers have stated, the eye-spot consists simply of a mass of pigment granules arranged in a single layer, and probably embedded in a protoplasmic framework, but the latter could not be seen, and its presence was only inferred from the fact that the pigment granules must be held together in some way, thd the eye-spot as a whole is capable of expansion, and that the pigment granules can be separated from each other.

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