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Chapter 3 Study Cards Part 2

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Chapter 3 Study Cards Part 2

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Chapter 3 Study Cards Part 2
Cell Junctions

Multi-protein structures that join or connect neighboring cells

Tight Junctions

Membranes of neighboring cells are pressed together, preventing leakage of extracellular fluid

Desmosomes

Anchoring junctions that prevent cells from being pulled apart

Gap Junctions

Points that provide cytoplasmic channels from one cell to another with special membrane

proteins.

Nucleus

Membrane-bound, contains DNA, surrounded by nuclear envelope

Nucleolus

Site of ribosome production, contained within the nucleus

Mitochondria

Membrane-bound, responsible for ATP production, outer membrane encloses the matrix and

cristae

Ribosome

Site of protein production, composed by ribosomal RNA & protein

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