Intron do not face selective pressure to produce a polypeptide with a useful sequence hence highly variable.

TLS Online TPP Program

#Id: 5387

#Unit 10. Ecological Principles

Density-dependent factors affect population size in relation to the population’s density.

Density-dependent factors down into two categories. 

Negative density dependence 

Positive density dependence (inverse density dependence

TLS Online TPP Program

#Id: 9720

#Unit 4. Cell Communication and Cell Signaling

Activated Ste12, induces expression of proteins

involved in mating-specific cellular responses.

TLS Online TPP Program

#Id: 3343

#Unit 6. System Physiology – Plant

TLS Online TPP Program

#Id: 6095

#Unit 10. Ecological Principles

TLS Online TPP Program

#Id: 9985

#Unit 4. Cell Communication and Cell Signaling

Antagonists of Wnt:

Secreted frizzled-related protein (Sfrp)

Wnt inhibitory factor (Wif)

Dickkopf (Dkk) family