In Autonomous Specification, 

Cytoplasmic determinants are apportioned to different blastomeres of the early embryo.

TLS Online TPP Program

#Id: 1564

#Unit 4. Cell Communication and Cell Signaling

Upon secretion, Wnt proteins associate with glypicans (heparan sulfate proteoglycan) in the ECM, which restricts diffusion and leads to a greater accumulation of Wnt closer to the source of production.

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#Id: 9190

#Unit 11. Evolution and Behavior

Artificial selection- Genetically improving animals and plants by breeding together the best individuals in their fields and flocks.

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#Id: 7217

#Unit 5. Developmental Biology

T cells initiate the adaptive immune response by interacting MHC on antigen-presenting cells that have been exposed to pathogens. 

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#Id: 1382

#Unit 4. Cell Communication and Cell Signaling

Profilin enhances the exchange of ADP for ATP on G-actin. Cofilin enhances the rate of loss of ADP-actin from the filament (−) end. Thymosin-β4, binds to ATP–G-actin in such a way that it inhibits addition of the actin subunit to either end of the filament.

TLS Online TPP Program

#Id: 2170

#Unit 11. Evolution and Behavior

The components of fitness are survival and reproduction.