In C. elegans, conditional specification occur in the development of the endoderm cell lineage.

TLS Online TPP Program

#Id: 5574

#Unit 7. System Physiology – Animal

There are four isoforms of the transport protein:  UT-A in the kidneys (UT-A1 to UT-A4) UT-B in the erythrocytes & descending limbs of the vasa recta 

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#Id: 1078

#Unit 5. Developmental Biology

According to the Quartet Model, floral organ identity is regulated by tetrameric complexes of the ABCE proteins.

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#Id: 9838

#Unit 6. System Physiology – Plant

In the dark, COP1, an E3 ligase, ubiquitinates HY5.

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#Id: 6770

#Unit 3. Fundamental Processes

Upf1 is the first NMD protein to act, binding to the terminating ribosome—specifically to its release factor complex.

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#Id: 1153

#Unit 7. System Physiology – Animal

Negatively charged large molecules are filtered less easily than positively charged molecules of equal molecular size.