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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: 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.

  4. PROKARYOTIC Definition & Meaning - Merriam-Webster

    The meaning of PROKARYOTIC is of, relating to, or being a typically unicellular organism (as of the domains Bacteria and Archaea) lacking a distinct nucleus and membrane-bound …

  5. Prokaryotic Cells: Structure, Function, and Definition

    May 24, 2024 · Prokaryotes are single-celled organisms that are the earliest and most primitive forms of life on Earth. As organized in the Three Domain System, prokaryotes include bacteria …

  6. 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 …

  7. 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.

  8. 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 …

  9. Prokaryotic Cells - Visible Body

    Prokaryotes, like bacteria, are single-celled organisms. Prokaryotic cells are smaller than eukaryotic cells, and they don’t have a membrane-bound nucleus.

  10. Prokaryotic cells (article) | Khan Academy

    Despite these similarities, prokaryotes and eukaryotes differ in a number of important ways. A prokaryote is a simple, single-celled organism that lacks a nucleus and membrane-bound …