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  • Nuclear Membrane: Structure, Function & Components - Cell Biology
    The nuclear membrane, also called the nuclear envelope, is represented by a double membrane structure that surrounds the nucleus of a eukaryotic cell.

    Here's a breakdown:

    * Double Membrane: It consists of two phospholipid bilayers, similar to the cell membrane.

    * Outer Membrane: Continuous with the endoplasmic reticulum (ER) and has ribosomes attached to it.

    * Inner Membrane: Lines the nucleoplasm, the fluid inside the nucleus.

    * Nuclear Pores: These are complex structures that penetrate both membranes, acting as gateways for the transport of molecules between the nucleus and cytoplasm.

    In a visual representation, you would typically see:

    * Two concentric circles representing the two membranes.

    * Small circular openings representing nuclear pores.

    * The space between the membranes is sometimes indicated, called the perinuclear space.

    Therefore, the nuclear membrane is represented by a double membrane structure with nuclear pores, visually depicted as two concentric circles with small openings.

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