Chapter 12: Intracellular Compartments and Protein Soring

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Compartmentalization of cells

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11 Terms

1

Compartmentalization of cells

The separation of cytoplasm into distinct compartments due to the presence of membrane-bound organelles in eukaryotic cells.

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2

Membrane-bound organelles

Organelles in eukaryotic cells that are surrounded by a membrane, including mitochondria, nucleus, and chloroplasts.

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3

Endoplasmic reticulum

A network of tubular structures in the cytoplasm that divides the intracellular space into distinct compartments and plays a role in protein synthesis, lipid synthesis, and detoxification.

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4

Golgi body

An organelle responsible for the formation and packaging of glycoproteins and glycolipids, found in secretory cells.

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5

Lysosome

Membrane-bound vesicular structures filled with hydrolytic enzymes that help in the digestion of carbohydrates, proteins, lipids, and nucleic acids.

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6

Mitochondria

Double-membrane bound organelles that generate ATP, the energy currency of the cell, and are involved in various cellular reactions.

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7

Chloroplast

Double-membrane bound organelles found only in plant cells, responsible for photosynthesis and containing chlorophyll pigment.

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8

Vacuole

A single membrane-bound structure found in plant cells that occupies a large volume and contains secretory and waste materials.

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9

Nucleus

Double membrane-bound structure containing the genetic material DNA and responsible for maintaining hereditary relations across generations.

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10

Endosymbiotic theory

The theory that eukaryotic cells originated from the engulfment of prokaryotes, leading to the development of organelles such as mitochondria.

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11

Gated transport

The movement of proteins and RNA molecules between the cytosol and the nucleus through nuclear pore complexes in the nuclear envelope

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