1. Introduction

   • H. Bloemendal

   EditorialNotes Pages: 1 - 1

2. Different size of the product of the 14S light chain mRNA translated in vitro and in amphibian oocytes

   • B. Mach
   • C. F. Faust
   • D. Rungger

   OriginalPaper Pages: 3 - 6

3. Alterations in the size of the poly(a) segment in newly-synthesized messenger RNA of mouse sarcoma 180 ascites cells

   • George Brawerman

   OriginalPaper Pages: 7 - 13

4. Inactivation of eucaryotic ribosomes by the toxic plant proteins abrin and ricin

   • Sjur Olsnes
   • Ragnhild Heiberg
   • Alexander Pihl

   OriginalPaper Pages: 15 - 20

5. Double-stranded regions in denatured DNA from mouse cells

   • Robert B. Church
   • Georgii P. Georgiev

   OriginalPaper Pages: 21 - 25

6. Binding of puromycin to E. coli ribosomes. Effects of puromycin analogues and peptide bond formation inhibitors

   • Rafael Fernandez-Muñoz
   • David Vazquez

   OriginalPaper Pages: 27 - 32

7. Dissociation of yeast ribosomes; The effects of hydrostatic pressure and KCl

   • Wilhelm J. C. Amesz
   • Eduard M. Bevers
   • Henri P. J. Bloemers

   OriginalPaper Pages: 33 - 39

8. Cleavage of bacteriophage M13 DNA by Haemophilus influenzae endonuclease-R

   • C. M. Van den Hondel
   • J. G. G. Schoenmakers

   OriginalPaper Pages: 41 - 45

9. Haemoglobin messenger RNA in spleen of anaemic rabbits

   • P. Nokin
   • E. Gautier

   OriginalPaper Pages: 47 - 53

10. Size of the poly(A) region in mouse globin messenger RNA

    • Marcelle R. Morrison
    • Christian G. Merkel
    • Jerry B. Lingrel

    OriginalPaper Pages: 55 - 60

11. Minimum estimate of the lifetime of histone messenger RNA of HeLa cells

    • P. Liberti
    • A. Festucci
    • C. Baglioni

    OriginalPaper Pages: 61 - 67

12. Base composition of duck 10S RNA and its poly(A) segment

    • Russell E. Pemberton
    • Corrado Baglioni

    OriginalPaper Pages: 69 - 74