Glossary of terms used on this site

species suited to stable environments that produce a few, relatively large offspring and provide parental care

fusion of nuclei

a karyotype's photographic image

organ that performs excretory and osmoregulatory functions

sacrificing one’s own life so that one’s genes will be passed on to future generations by relatives

enzyme that catalyzes the transfer of a phosphate group from ATP to another molecule

undirected movement of an organism in response to a stimulus

sense of body movement

energy type that takes place with objects or particles in motion

mass of DNA carried within the single, oversized mitochondrion, characteristic of kinetoplastids (phylum: Euglenozoa)

domain division in the taxonomic classification system

determines the correct initiation AUG in a eukaryotic mRNA; the following consensus sequence must appear around the AUG: 5’-GCC(purine)CCAUGG-3’; the bolded bases are most important

(also citric acid cycle) alternate name for the citric acid cycle, named after Hans Krebs, who first identified the steps in the pathway in the 1930s in pigeon flight muscles; see citric acid cycle