background & aim: investigation of suspension cell culture and callus production in catharanthus roseus. catharanthus roseus is an herbaceous perennial plant belongs to the family apocynaceae. c. roseus is important as commercial medicinal plant because of its alkaloidal content. whole plant contains about 130 alkaloids those are classified as vinca alkaloids. vincristine and vinblastine; t...

Environmental standard review plans are prepared for the guidance of the Office of Nuclear Reactor Environmental standard review plans are prepared for the guidance of the Office of Nuclear Reactor Environmental standard review plans are prepared for the guidance of the Office of Nuclear Reactor Environmental standard review plans are prepared for the guidance of the Office of Nuclear Reactor R...

The sulfur regulatory circuit of the filamentous fungus, Neurospora crassa, consists of a set of unlinked structural genes which encode sulfur catabolic and two major regulatory genes which govern their expression. The cys-3 regulatory gene encode a transacting regulatory protein which activates the expression of cys-14 and ars, whereas the other regulatory genes Scon-l and Scon-2 appear to...

the effect of motivational self-regulatory strategies on l2 learners’ achievement has scarcely been examined within the context of our country, iran. this study is concerned with examining the relationship between motivational self-regulatory strategies and their l2 reading and l2 writing achievement. it also explores the relationship of motivational self-regulatory strategies and use of langua...