Thus far in the history of biology, two, and only two, fundamental principles have come to light that pervade and unify the entire science-the cell theory and the concept of evolution. While it is true that recently opened fields of inves tigation have given rise to several generalizations of wide impact, such as the universality of DNA and the energetic dynamics of ecology, closer inspection reveals them to be part and parcel of either of the first two mentioned. Because in the final analysis energy can act upon an organism solely at the cellular level, its effects may be perceived basically to represent one facet of cell me tabolism. Similarly, because the DNA theory centers upon the means by which cells build proteins and reproduce themselves, it too proves to be only one more, even though an exciting, aspect of the cell theory. In fact, if the matter is given closer scrutiny, evolution itself can be viewed as being a fundamental portion of the cell concept, for its effects arise only as a consequence of changes in the cell's genetic apparatus accumulating over geological time. Or, if one wishes, the diametrically opposite standpoint may be taken. For, if current concepts of the origin of life hold any validity, the evolution of precellular organisms from the primordial biochemicals must have proceeded over many eons of time prior to the advent of even the most primitive cell.

Ultrastructure, Macromolecules, and Evolution

Science & Math

Lawrence S. Dillon

Biological Sciences

New York, Plenum Press, [

Major Features of the Gene.- The Enzymes of Transcription and Transfer RNA Genes.- The 5 S Ribosomal and Other Small RNAs.- The Remaining Ribosomal RNA Genes.- Nucleic Acid-Associated Protein Genes.- Genes for Energy-Related Proteins.- Complex Genes.- Assembled Genes.- Transposable Elements.- Viral Genes -- Structure and Controls.- The Gene in Cancer.- Processing the Primary Transcripts.

The Gene: Its Structure, Function, and Evolution

Springer

Animal variety (Concepts of biology series)

WM.C. Brown Co.

Evolution: Concepts and Consequences

Evolution: Concepts and consequences

Mosby

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Books by Lawrence S. Dillon