In the intact salivary gland, the major stimulus for secretion is input from the para sympathic (PS) branch of the autonomic nervous system (ANS). (There are other inputs, but they are minor.)  please answer E2 and E 3 with brief explanation  E-2. In these cells, NE can activate either the cAMP pathway or the IP3 pathway. Only one pathway is turned on at any particular time. (Multiple factors influence which pathway is on at any given time.) In this case, NE probably uses (2 different receptors) (2 different G proteins) (only one type of receptor and one G protein) (2 dif. receptors AND 2 dif. G proteins) (either 2 different receptors OR 2 different G proteins) .    E-3. In these cells, which neurotransmitter NT(s) should be able to activate calmodulin-dependent enzymes? (NE) (AcCh) (both) (neither) (NE or AcCh but not both) (beats me).

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In the intact salivary gland, the major stimulus for secretion is input from the para sympathic (PS) branch of the autonomic nervous system (ANS). (There are other inputs, but they are minor.) 


please answer E2 and E 3 with brief explanation 

E-2. In these cells, NE can activate either the cAMP pathway or the IP3 pathway. Only one pathway is turned on at any particular time. (Multiple factors influence which pathway is on at any given time.) In this case, NE probably uses (2 different receptors) (2 different G proteins) (only one type of receptor and one G protein) (2 dif. receptors AND 2 dif. G proteins) (either 2 different receptors OR 2 different G proteins) . 

 

E-3. In these cells, which neurotransmitter NT(s) should be able to activate calmodulin-dependent enzymes? (NE) (AcCh) (both) (neither) (NE or AcCh but not both) (beats me).



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