When the first group of DNA puffs is active in the salivary gland regions S1 and S3 of Bradysia hygida larvae. there is a large increase in the production and secretion of new salivary proteins demonstrable by [3H]-Leu incorporation. The present study shows that protein separation by SDS-PAGE and detection by fluorography demonstrated that these polypeptides range in molecular mass fr... https://www.marketingjeunesse.com/product-category/smoothing-balm-to-streighten-and-protect/