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Unformatted text preview: present in the cell. Two types he mentioned in class:-cAMP (cyclic AMP)- Produced with a G-protein coupled receptor- rheJt$lgg:2ggn herps-Calcium ions (Ca++;- Ca++ usually kept in low concentrations in the cytoplasm- Kept in high concentrations outside the cell or in membrane compartments (ER, mitochondria, etc.) using proton pumps- Action potentials (change in the membrane voltage, such as the intake of positive ions) signals their release ) released Ca++ then acts as a signal molecule for other receptor proteins v @ Lvenwtlll, thr @ iotls enMtnq ftt ull c\r.lfiqe rhs 0 The inrrlal signal brnols fnQkinq ft 'iltuw to nn ioYt channel , allowtnX p(tflVe' \*t iovts h qo drtNn ft, (theff's an attrnctl'on tu Iw O gvtvtVonfhgnt inSrdr [lrr. ctlrt ) @ ir 's Tltis chaltSc ^ .+l_ f,uat rP'!eo&e,s ,llu Lo " I fows lylb fIt^l clbPu''uur Ca+' RESPONSE- Very specific, can be affected by a couple of factors (see slide 20, lec. 10) cq#...
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- Winter '08
- Trigraph, tu Prorrn, niiali tqnrd nds, rotein ctivation bpggh, annl/ tu Prorrn, Theb est ayt