… However, Balakirev & Ayala (12, 16) found premature stop codons within the Est-P coding
region and some other indications … This work is supported by NIH grant GM42397 to FJ Ayala. …

… Ayala (14) suggested that it might be more appropriate to incorporate the outcomes of all
frequencies tested into a single statistic. Significant chi-square tests at several, and even at all …

Chromosome rearrangements (such as inversions, fusions, and fissions) may play
significant roles in the speciation between parapatric (contiguous) or partly sympatric (geographically …

We propose a general theory of clonal reproduction for parasitic protozoa, which has important
medical and biological consequences. Many parasitic protozoa have been assumed to …

We describe allelic variation at 28 gene loci in natural populations of D. willistoni. Seventy
samples were studied from localities extending from Mexico and Florida, through Central …

A Rapid Compression Machine (RCM) has been used to study the effects of fuel structure and
additives on the Homogeneous Charge Compression Ignition (HCCI) of pure hydrocarbon …

Very precise data on the dynamics of a competitive system of two species of Drosophila
have been obtained. By a curvilinear regression approach, analytical models of competition …

It has been proposed that modern humans descended from a single woman, the" mitochondrial
Eve" who lived in Africa 100,000 to 200,000 years ago. The human immune system …

Leishmaniasis is a geographically widespread severe disease, with an increasing
incidence of two million cases per year and 350 million people from 88 countries at risk. The …

… is to enable S in environment E to engage in process F" can be formulated more explicitly; "…
F; if S with organization C and in environment E does not have A, then S cannot engage in F; …