Some 85°/o of the cell material would have to 

 be broken down by digestive enzymes in the 

 gut of the animal before incorporation. Also 

 fecal pellets are probably wholly made up of 

 this insoluble material. 



REFERENCES 



Buchanan, J. P., J. A. Massham, A. A. Benson, 

 D. F. Bradley, M. Calvin, L. L. Dans, 

 M. Goodman, P. M. Hayes, V. H. Lynch, 

 L. T. Norris, and A. T. Wilson. 1952. 



The path of carbon in photosynthesis XVII. 

 Phosphorus compounds as intermediates in 

 photosynthesis. In McElroy, W. D. and 

 B. Glass, editors. Phosphorus Metabolism, 

 Volume II, pp. MO- 459. Johns Hopkins 

 Univ. Press, Baltimore. 



Fogg, G. E. 1956. 



Photosynthesis and formation of fats in 

 a diatom. Ann. Bot . (N.S.), Vol. 20, 

 pp. 265-285. 



Fogg, G. E. 1953. 



Metabolism of Algae. John Wiley and 

 Sons, Inc., New York. 



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