What structure is found in prokaryotic cells but not eukaryotic cells?
a. a single, circular DNA chromosome found in the cytoplasm
b. a chromosome that contains many histones
c. a chromosome found within a membrane-bound nucleus
d. a shorter, condensed chromosome in the nucleus

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.

  1. 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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