Respuesta :
What structure is found in prokaryotic cells but not eukaryotic cells?
a. a single, circular DNA chromosome found in the cytoplasm
because :
Prokaryotic cells may also contain extrachromosomal DNA, or DNA that is not part of the chromosome. This extrachromosomal DNA is found in plasmids, which are small, circular, double-stranded DNA molecules.
The structure is found in prokaryotic cells but not eukaryotic cells is - option. a. a single, circular DNA chromosome found in the cytoplasm
Cells are mainly two types that are prokaryotic and eukaryotic cells.
- Prokaryotic cells-
- cells that lack double-membrane organelles or structures and have no nucleus and genetic material present in the cytoplasm.
- The circular chromosome is present in the cytoplasm in an area called the nucleoid in prokaryotes.
2. Eukaryotic cells:
- with a true nucleus, double-membrane organelles or structures, genetic material is stored in the nucleus.
- The chromosome is made up of DNA coiled and condensed around nuclear proteins called histones in the nucleoplasm.
Thus, the correct answer is - a. a single, circular DNA chromosome found in the cytoplasm
Learn more about prokaryotic cells:
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