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    • #6685
      chenwithasterisk
      Participant

      DNA-RNA-mRNA-amino aicds-polypeptides-proteins.
      is that the correct order.
      also, the primary strcuture of protein depends on the sequence of amino aicds.however the secondar structure of protein come under tow groups, alpha helix and beta arrangement. in alpha helix,the chain of ONE polypeptide is twisted,so that the neigbouring hydrogens bonds interact.while in beta helix, two or more polypeptides run alongside,so that hydrogen bonds interact next to each other.the tertiary structure of a protein is the overal shape?

      anyone can explain wat the difference is between tertiry structure and quantenary strcture?

      by the way, is it really necessary to have so many structures?
      [/code]

    • #64667
      sachin
      Participant

      Its
      DNA-mRNA-RIBOSOME-tRNA-AMINO ACID-PROTEINS.

      You are right with your oncept.

      Check google for quaternary and tirtiary structure.

      yes, its necessary to have so many structures, enzyme binding and protein interaction needs specific structure of proteins so that they can work efficiently and separately, and can not jumble up.

    • #64675
      mith
      Participant

      I always learnt them as alpha helix and beta sheets…

    • #64682
      MrMistery
      Participant

      yeah, it’s beta sheet not beta helix, because of it’s actual sheet shape, as oposed to a helical shape.

    • #64739
      sachin
      Participant

      I ve studied it as "Beta plate"…………

    • #64757
      MrMistery
      Participant

      it’s beta sheet or beta pleeted sheet. But beta plate is ok if you ask me. The name doesn’t matter that much anyway…

    • #64891
      victor
      Participant

      Tell them to Dr.Stein and she’ll say, They do matter 😆

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