Jumping genes in maize were discovered by

  • A
    Hugo de Vries
  • B
    Barbara McClintock
  • C
    $T. H. Morgan$
  • D
    Mendel

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What is the number of phosphodiester bonds in a $DNA$ molecule containing $10$ base pairs?

$A$ $DNA$ polymer has a free phosphate group at one end of the sugar,which is called the $P$ end of the polynucleotide chain. Similarly,at the other end of the polymer,there is a free $OH$ group of the sugar,which is called the $Q$ end of the polynucleotide chain.
$\quad P \quad Q$

The storehouse for all biological information is:

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