The major action of ADH on principal cells in the late distal tubule and collecting duct

TLS Online TPP Program

#Id: 7092

#Unit 3. Fundamental Processes

It is complementary to a highly conserved sequence close to the 3’ end of 16S rRNA.

The rRNA sequence is the hexamer:

3’. . . U C C U C C . . . 5’

TLS Online TPP Program

#Id: 5787

#Unit 7. System Physiology – Animal

Wolff –Chaikoff effect large doses of iodide act directly on the thyroid to produce a mild and transient inhibition of organic binding of iodide and hence of hormone synthesis.

TLS Online TPP Program

#Id: 7023

#Unit 5. Developmental Biology

The daughter cell attached to the hub is maintained as a stem cell, whereas the cell that is not touching the hub becomes a gonialblast, a committed progenitor cell that will divide to become the precursors of the sperm cells.

TLS Online TPP Program

#Id: 7591

#Unit 5. Developmental Biology

Thermotaxis  The ability to sense temperature difference and preferentially swim from cooler to warmer sites is found only in capacitated sperm

 

TLS Online TPP Program

#Id: 9304

#Unit 4. Cell Communication and Cell Signaling

In the absence of light,  bound 11-cis-retinal locks the rhodopsin into its inactive (R) conformation