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  1. Prokaryote - Wikipedia

    Prokaryotic cells are usually much smaller than eukaryotic cells. This causes prokaryotes to have a larger surface-area-to-volume ratio, giving them a higher metabolic rate, a higher growth …

  2. Prokaryote | Definition, Example, & Facts | Britannica

    Nov 20, 2025 · Prokaryote, any organism that lacks a distinct nucleus and other organelles due to the absence of internal membranes. Bacteria are among the best-known prokaryotic …

  3. Prokaryotic cells (article) | Khan Academy

    However, there's increasing evidence that some groups of prokaryotic cells can organize to form structures that resemble multicellular organisms. Whether this counts as "real" multicellularity …

  4. Prokaryotic Cells: Definition, Structure and Characteristics

    Jan 30, 2025 · Prokaryotes are small, single-celled organisms with a simple structure. Unlike other cells, they don’t have a nucleus or other membrane-bound organelles.

  5. Prokaryotic Cells: Structure, Function, and Definition

    May 24, 2024 · Prokaryotic cells are single-celled organisms that are the earliest and most primitive forms of life on earth, including bacteria and archaeans.

  6. prokaryote / procariote | Learn Science at Scitable - Nature

    Prokaryotes are organisms whose cells lack a nucleus and other organelles. This class of organisms includes all of the bacteria.

  7. The Prokaryotic Cell | Biology for Majors II - Lumen Learning

    A prokaryotic cell is a simple, single-celled (unicellular) organism that lacks a nucleus, or any other membrane-bound organelle. Prokaryotic DNA is found in the central part of the cell: a …

  8. What is a Prokaryotic Cell? - Biology Insights

    Jul 30, 2025 · A prokaryotic cell represents the most fundamental and ancient form of life on Earth. These single-celled microorganisms, including bacteria and archaea, lack a true …

  9. 4: Prokaryotic Cell - Biology LibreTexts

    Prokaryotic cells differ from eukaryotic cells in that their genetic material is contained in a nucleoid rather than a membrane-bound nucleus. In addition, prokaryotic cells generally lack …

  10. Prokaryotic Cell - Definition, Examples & Structure | Biology …

    Dec 18, 2016 · Unlike a eukaryote, a prokaryotic cell does not have a nucleus or membrane-bound organelles. Bacteria are an example of a prokaryotic cell.