Category: Lab Notes: Cell Biology

Ribosome

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Ribosomes are sophisticated molecular machines that serve as the protein synthesis factories of cells. These complex structures, composed of both…

Plasma Membrane

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The plasma membrane is a dynamic, selectively permeable barrier that defines the boundary of living cells. This phospholipid bilayer with…

Nucleus

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The nucleus is the largest and most prominent organelle in eukaryotic cells, serving as the control center for cellular activities….

Flagellum

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A flagellum is a highly specialized cellular appendage that serves as a locomotory organelle in many organisms. This whip-like structure…

Cytoskeleton

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The cytoskeleton is a complex network of protein filaments that extends throughout the cell’s cytoplasm. This dynamic structural system provides…

Lysosomes

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Lysosomes are specialized membrane-bound organelles that serve as the cell’s digestive system. These acidic compartments contain numerous hydrolytic enzymes capable…

Mitochondria

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Mitochondria are dynamic, double-membrane-bound organelles often referred to as the powerhouses of eukaryotic cells. These sophisticated structures play central roles…

Centrosome

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The centrosome is a key cellular organelle that serves as the primary microtubule-organizing center in animal cells. This crucial structure…

Golgi Complex

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The Golgi complex, also known as the Golgi apparatus, is a highly dynamic organelle consisting of stacked membrane-bound compartments called…

Endoplasmic Reticulum

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The endoplasmic reticulum (ER) is a complex network of interconnected tubules and flattened sacs that extends throughout the cytoplasm of…

Cell

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The term “cell” comes from the Latin cella, meaning “small room.” Robert Hooke coined it in 1665 after observing cork…

Extracellular Matrix (ECM)

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The extracellular matrix (ECM) is a dynamic and complex network of macromolecules that provides structural and biochemical support to surrounding…