The somatic cells of the hub create asymmetric proliferation by secreting the paracrine factor Unpaired onto the cells attached to them

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#Id: 1857

#Unit 3. Fundamental Processes

Constitutive active housekeeping genes and developmentally regulated genes have TATA-less promoters. 

 

TLS Online TPP Program

#Id: 8523

#Unit 2. Cellular Organization

TLS Online TPP Program

#Id: 2312

#Unit 3. Fundamental Processes

Ser2 phosphatase Fcp1 regenerates RNA Pol II pool

TLS Online TPP Program

#Id: 1555

#Unit 4. Cell Communication and Cell Signaling

Wnts are paracrine factors that make up a large family of cysteine-rich glycoproteins.

TLS Online TPP Program

#Id: 6996

#Unit 5. Developmental Biology

Adult stem cell (tissue specific stem cells) produce a limited set of specialized cells that are characteristic of a particular tissue. These cells plays a vital role in tissue repair due to injury or disease.