Over al conceptual tha... Mcqs handouts mn se ir sir Suleman k files se thy.. Short mn paf,enzymes related or nucleotides se ik short question tha.. Long mn apne chargaff rule state krna tha sath mn apk adenine k amount se guanine k find krni thi Ik mn nucleotide or nucleoside k difference tha Or ik mn buffer solution mn se aya tha Over all hard or conceptual tha..mids just mcqs portion mn tha.