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  • Eukaryotic vs. Prokaryotic Cells: Key Structural Differences
    Here's a breakdown of the structures found in eukaryotic cells but not prokaryotic cells:

    Eukaryotic Structures NOT Found in Prokaryotes:

    * Nucleus: Contains the cell's DNA, which is organized into chromosomes.

    * Nuclear Envelope: A double membrane surrounding the nucleus, regulating what enters and exits.

    * Nucleolus: A dense region within the nucleus where ribosome assembly occurs.

    * Endoplasmic Reticulum (ER): A network of interconnected membranes involved in protein synthesis, lipid synthesis, and detoxification.

    * Golgi Apparatus: A stack of flattened sacs that modify, sort, and package proteins and lipids.

    * Lysosomes: Membrane-bound organelles containing enzymes for breaking down cellular waste and debris.

    * Mitochondria: The "powerhouse" of the cell, responsible for cellular respiration and ATP production.

    * Chloroplasts (in plants): Sites of photosynthesis, where light energy is converted into chemical energy.

    * Vacuoles: Large, fluid-filled sacs that store water, nutrients, and waste products.

    * Cytoskeleton: A network of protein fibers that provide support, shape, and movement.

    Key Differences Between Prokaryotic and Eukaryotic Cells:

    * Genetic Material: Prokaryotic DNA is located in a region called the nucleoid, which is not enclosed by a membrane. Eukaryotic DNA is contained within a true nucleus.

    * Organelles: Prokaryotes lack the complex, membrane-bound organelles found in eukaryotic cells.

    * Size: Eukaryotic cells are generally larger than prokaryotic cells.

    Let me know if you'd like more detail on any of these structures!

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