Identify the class for each of the following. acetylcholine (ACh) atrial nature tic peptide (ANP) calcitonin chorion gonadotropin dopamine endorphins erythropoietin (EPO) gamma-amino butyric acid (GABA) glutamate growth factors (GF) interferon (IF) interleukins (IL) leptin leukotrienes melatonin nicotine nitric oxide (NO) oxytocin (OXY) pheromones progesterone prostaglandins pyrogens serotonin tumor necrosis factor (TNF) vasopressin CYTOKINE ECTOHORMONE EICOSANOID HORMONE NEUROHORMONE NEUROMODULATOR NEUROTRANSMITTER Solution 1) actylcholine is a neurotransmitter for cell signalling 7) erthrypoetein is a hormone responsible for RBC growth. 25) vasopressin is a hormone responsible for water reabsorption from kidney.. 3) calcitonin is a hormone responsible for the maintaince of calcium level in the body.. 14) leukotrines are cytokines.. 23) serotonin are neuro hormone which acts on the brain for signalling.. 19) pheromones are ectohormone in nature...