বেকেলাইটবেক্টেৰিয়া
বেক্টেৰিঅ’ক্ল’ৰ’ফিল (Assamese)
1. Bacteriochlorophylls (BChl) are photosynthetic pigments that occur in various phototrophic bacteria. They were discovered by C. B. van Niel in 1932. They are related to chlorophylls, which are the primary... from wikipedia.org