<prompt> Which of the following is a part of secondary granules in neutrophils?Cathepsin GLactoferrinDefensinMyeloperoxidase  <response>: Ans. is b i.e., LactoferrinLvsosomal enzymes:o These are present in the lysosomes of neutrophils and monocytes. Lysosomes contain two types of granules; Primary azurophilic and Secondary specific granules.Lvsosomal granulesPrimary azurophilic granulesSecondary specific granuleso Require high level of agonist to be released extracellularlyo Potentially more destructiveo Secrete:y Myeloperoxidase MPOy Acid hydrolasey Elastasey Defensiny Phospholipase A2y Non-specific collagenaseo Secreted at lower concentration of agonistso Secreted extracellularly more readilyo Secrete:y Lysozymey Lactoferriny Alkaline phosphatasey Type IV collagenasey Phospholipase A2 