Human mitochondrial DNA has 22 tRNA genes, 2 rRNA genes, and 13 protein-coding regions. 

TLS Online TPP Program

#Id: 1436

#Unit 4. Cell Communication and Cell Signaling

Adherens junctions 

Adhesion type- Cell-cell

Principal CAMs- Cadherins

Cytoskeletal attachment- Actin filaments

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#Id: 1437

#Unit 4. Cell Communication and Cell Signaling

Adherens junctions  functions as a tension cable that can internally brace the cell and thereby control its shape.

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#Id: 1438

#Unit 4. Cell Communication and Cell Signaling

Desmosomes

Adhesion type- Cell-cell

Cytoskeletal attachment- Intermediate filaments

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#Id: 1439

#Unit 4. Cell Communication and Cell Signaling

The key CAMs in desmosomes are the desmosomal cadherins, desmoglein and desmocollin.

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#Id: 1440

#Unit 4. Cell Communication and Cell Signaling

Desmosomes

Function- Strength, durability, signaling

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#Id: 1441

#Unit 4. Cell Communication and Cell Signaling

Hemidesmosomes

Adhesion type- Cell-matrix

Cytoskeletal attachment- Intermediate filaments