66 



Can Science Explain Life? 



consist merely of waste material, yet its "uniformly 

 convoluted shape does indicate a spiral construc- 

 tion of the spireme thread or chromosomes around 

 which it is formed, but this spiral structure 

 should not be confused with that of the indi- 

 vidual spirazines which are several thousand times 

 smaller. 



Ordinarily when an elongated member is wound 

 around in the form of a spiral and is then divided 

 longitudinally, the two halves cannot be separated 



/7g. 10. 

 A Reversely Twisted Spiral 



