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TLS Online TPP Program

#Id: 10099

Adherens junctions

functions as a tension cable that can internally brace the cell and thereby control its shape

#Unit 4. Cell Communication and Cell Signaling #Cell Junctions #Part B Pointers
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TLS Online TPP Program

#Id: 5788

#Unit 7. System Physiology – Animal

Thyroid stimulating hormone induces both NIS expression and the retention of NIS in the basolateral membrane.
TLS Online TPP Program

#Id: 5789

#Unit 7. System Physiology – Animal

Iodide is transported out of the thyroid cells across the apical membrane into the follicle by a chloride-iodide ion counter- transporter molecule called pendrin.
TLS Online TPP Program

#Id: 5790

#Unit 7. System Physiology – Animal

Thyroglobulin is a glycoprotein contains 123 tyrosine residues, but only 4–8 of these are normally incorporated into thyroid hormones.
TLS Online TPP Program

#Id: 5791

#Unit 7. System Physiology – Animal

Oxidation of iodine is mediated by thyroid peroxidase, a membrane-bound enzyme found in the thyrocyte apical membrane.
TLS Online TPP Program

#Id: 5792

#Unit 7. System Physiology – Animal

When the peroxidase system is blocked or when it is hereditarily absent from the cells, the rate of formation of thyroid hormones falls to zero
TLS Online TPP Program

#Id: 5793

#Unit 7. System Physiology – Animal

“Organification” of Thyroglobulin- Iodination of tyrosine and formation of the thyroid hormones