Bio 3.05 Check Ins

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Q. Are some prokaryotes multicellular?

A. No, all prokaryotes are single-cell organisms.

Q. What is one piece of evidence supporting the idea that eukaryotic organelles originated as prokaryotic cells?

A. Organelles such as mitochondria and chloroplasts have their own DNA that is distinct from the DNA in the nucleus of the cell in which they are located.

Q. Name two characteristics that make prokaryotic cells different from eukaryotic cells.

A. Unlike eukaryotic cells, prokaryotic cells do not have a nucleus and membrane-bound organelles, and their DNA exists freely in the cell as a circular molecule.

Q. What structures would you expect to find inside a single-cell eukaryote?

A. a nucleus, cytosol, and membrane-bound organelles such as mitochondria and Golgi bodies


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