Peptide hormones,”Peptide hormones never enter a cell so they bind to a receptor protein in plasma membrane. Epinephrine binds to receptor protein; relay system leads to conversion of ATP to cyclic AMP. Cyclic AMP (cAMP) is made from ATP; it has one phosphate group attached to adenosine at two locationsPeptide hormones are the first messenger; cAMP and calcium are often the second messengercAMP sets an enzyme cascade in motion.. Activated enzymes can be used repeatedly

Average Rating 0 out of 5 stars. 0 votes.You must log in to submit a review.Peptide hormones,”Peptide hormones never enter[…]

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