Today is home work ma'am ☺️ Nitrogen base two types प्यूरीन :____ hexa and pantose ( AG ) पिरिमिडीन :_____ Hexa bond hota hai . ( C T U ) DNA 🧬 me Nitrogen base :_____ A G C T RNA me Nitrogen base ......... A G C U hota hai . Thanks ma'am ji ☺️ Ma'am I requested yah hai ki es chapter ko thoda advance me padgaeye ga . ma'am ji Please please ma'am ji . Thanks ma'am ji 😊 Aaj ki class clear hai .