Labels:text | screenshot | black and white | black | font | document OCR: ng to a ACTH acts on the adrenal gland by bind cell (Fig. specific receptor in the membrane of th e 7.4). This results in the stimulation of th membrane-bound adenylate cyclase enz lar cyclic leading to rapid production of intracellu o involve AMP (CAMP), a mechanism that may al ucleotides calcium entry into the cell. Other cyclic MP, in such as cGMP may also be important. cA iating an turn, activates a protein kinase (by disso number of active subunit), which then stimulates ATP. The protein-phosphorylation processes usin ned is not role of the phosphoproteins that are for diate yet clearly defined, but they appear to m in cleavage cholesterol ester hydrolysis and side-cha e increased of cholesterol to form pregnenolone. Th ntly leads concentration of pregnenolone subsequ he to increased ...