Return to the basics
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi-xzx2FWfi24LJlCocv-D_3AeRp-W6bQ3Nwaw6ICJg9rISjis7a88FZsnaYu2IBgVh9OlNWyhtvRm90n1rZg-M4XCbIBfuU4UCSTjjARAm2gpkUyfxShrvB_7KNQtX6zkl3dRTgdCrRpBp/s200/image1.gif)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjtu-An_A-icdue_TcsZdzKHTFZTb4r3P_eAELdlN_B99sEqZlhXGYd-C61N3Nk1yezrNJKh12w3AUb2enkE6HNOxKVDRiYuZ18zlepWIgsuTJvCNFEU3KWzXJlZg_ECoZ_cVtAEYO3Y5-j/s200/per_exam3.gif)
Here are few resources on IDO
1.http://www.academy.org.uk/tutorials/volklens.htm
2. http://www.opt.indiana.edu/riley/HomePage/BIO_lecture_notes/TEXT_BIO_Exam3.html
1.http://www.academy.org.uk/tutorials/volklens.htm
2. http://www.opt.indiana.edu/riley/HomePage/BIO_lecture_notes/TEXT_BIO_Exam3.html
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