Clement’s organismic model - Competition causes sharp boundaries between groups of species; certain species group together.

TLS Online TPP Program

#Id: 8993

#Unit 2. Cellular Organization

Plakins 

Proteins that linked intermediate filament network to the rest of the cytoskeleton. 

Eg: Plectin

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#Id: 1465

#Unit 4. Cell Communication and Cell Signaling

Three classes of classical cadherins: 

E-cadherin -present on many types of epithelial cells

N-cadherin - present on nerve, muscle and lens cells

P-cadherin - present on cells in the placenta & epidermis

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#Id: 5423

#Unit 7. System Physiology – Animal

Pseudo-unipolar cells develops, a single process splits into two, both of which function as axons one going to skin or muscle and another to the spinal cord.

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#Id: 9479

#Unit 4. Cell Communication and Cell Signaling

SOCS-1, binds to the critical phosphotyrosine in the activation loop of an activated JAK2 kinase, inhibiting its catalytic activity

TLS Online TPP Program

#Id: 10437

#Unit 4. Cell Communication and Cell Signaling

Benzo(a)pyrene

(found in cigarette smoke & coal tar) undergoes metabolic activation by cytochrome P-450 in the lungs to form a potent mutagen