Free download biology paper on Chromosome and DNA

Chapter No.20 Chromosome and DNA

Question: Answer the following questions:

             I.      Define chromosomes and karyotype?

          II.      What are types of chromosomes?

       III.      What is alkapotonuria?

      IV.      Differentiate b/w codon and promotor?

         V.      Why a cap and tail is added to mRNA?

      VI.      What is phenyleketonuria?

   VII.      What is sickle cell anaemia?

VIII.      Why histone is positively charge?

      IX.      Define transcription?

         X.      What is okazaki fragment?

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