TLS Online TPP Program

#Question id: 798


Match the structural properties of DNA with the respective types of DNA in which they are found.

               COLUMN – I                                             COLUMN – II

A.        Pitch per turn of helix                                     1. 45.6 angstrom                   

                                                                                      2. 24.6 angstrom                               

 3. 33.2 angstrom

B.        Helix packing diameter                                 1. 23.7 angstrom            

                                                                                     2. 18.4 angstrom            

3. 25.5 angstrom

C.        Major-groove proportions                            1. Flattened out on helix surface

                                                                                      2. Extremely narrow but very deep

 3. Wide and of intermediate depth

D.        Minor-groove proportions                            1. Very broad but shallow

                                                                                     2. Extremely narrow but very deep

                                                                                    3. Narrow and of intermediate depth

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. A DNA – A-2; B-3; C-2; D-1

  2. B DNA – A-3; B-2; C-3; D-3

  3. Z DNA – A-1; B-2; C-1; D-2

  4. A DNA – A-2; B-2; C-3; D-2