<prompt> About Neuropeptide Y all are true exceptIt is mediated through melanocorticotropin hormoneDecreases thermogenesisIts level decreases during starvationContains 36 aminoacid residues  <response>: Neuropeptide Y has 36 amino acid residues. It stimulates appetite, reduces thermogenesis by decreasing the energy expenditure and also decreases the activity of MSH. During starvation, it is secreted at increased levels. 