The binding of ammonia to the sensor domain of DhkC leads to the activation of its histidine kinase activity and to the autophosphorylation of a DhkC histidine residue.

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#Id: 9886

#Unit 4. Cell Communication and Cell Signaling

Chronic granulomatous disease (CGD)- NADPH oxidase mutate

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#Id: 5783

#Unit 7. System Physiology – Animal

The primary hormone secreted by the thyroid is thyroxine (T4) along with much lesser amounts of triiodothyronine (T3)

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#Id: 5805

#Unit 7. System Physiology – Animal

The cells of the adrenal cortex contain large amounts of smooth endoplasmic reticulum, which is involved in the steroid-forming process

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#Id: 2375

#Unit 5. Developmental Biology

 Wnt signaling achieves its repression of head regeneration by inhibiting Erk

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#Id: 5215

#Unit 7. System Physiology – Animal

Plasminogen is converted to active plasmin when t-PA hydrolyzes the bond between Arg 560 and Val 561. plasmin also activated by urokinase-type plasminogen activator (u-PA).