Noncanonical pathways can be divided into two types: 

1. The “planar cell polarity” pathway

2. The “Wnt/calcium” pathway

TLS Online TPP Program

#Id: 3114

#Unit 3. Fundamental Processes

Bacterial replicons are usually circles that replicate bidirectionally from a single origin.

TLS Online TPP Program

#Id: 7371

#Unit 5. Developmental Biology

The transcription factors encoded by the pair-rule genes activate the segment polarity genes, whose mRNA and protein products divide the embryo into 14-segment-wide units, establishing the periodicity of the embryo. 

TLS Online TPP Program

#Id: 6546

#Unit 7. System Physiology – Animal

Insulin also activates PKB which phosphorylates the Rab GAP protein AS160

TLS Online TPP Program

#Id: 7200

#Unit 5. Developmental Biology

One individual, however, expresses only a small number of these molecules—up to six different class I molecules and 12 or more different class II molecules.

TLS Online TPP Program

#Id: 987

#Unit 5. Developmental Biology

In Drosophila, mid-blastula transition slowdown of nuclear division, cellularization, and concomitant increase in new RNA transcription