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Volume 44, No. 2, June 2007
Contents

Research Articles

Life Sciences

Human histone H1.5: Role of phosphorylation and glycosylation in cell cycle
Waqar Ahmad, Ishtiaq Ahmad, Afshan Kaleem, Evelyne-Walker-Nasir, Daniel C. Hoessli and Nasir-ud-Din
 







85

Extraction, partial purification and characterization of tomato invertase
M. J. Alam, M. Habibur Rahman and S. M. Abu Sayem

 97
Occurrence of the genus Bulbochaete (Zygnemophyceae Shameel) from Gujranwala and Lahore Districts of Pakistan
A. Zarina, Masud-ul-Hasan and Mustafa Shameel

 105
Physical Sciences

Study of relativistic Doppler’s effect
Md. Shah Alam and Md. Didar Chowdhury

109
More Soliton solutions to the KDV and the KDV-Burgers equations
Luwai Wazzan
 		 117
Can the Lorentz-Fitzgerald contraction hypothesis be real?
Nizar Hamdan
 		 121
Reviews

Life Sciences

Natural fiber-reinforced polymer composites
Saira Taj, Munawar Ali Munawar and Shafiullah Khan
 



129
 

Distribution and status of forests in the tropics: Bangladesh perspective
M. A. S. A. Khan, M. B. Uddin, M. S. Uddin, M. S. H. Chowdhury and S. A. Mukul
 
145

 
Instructions to Authors
 		 155