... metabolic enzymes of Littorina littorea. Can J Zool 79, 907–915.8 Hochachka PW, Buck LT, Doll CJ & Land SC (1996)Unifying theory of hypoxia tolerance: molecular ⁄ meta-bolic defence and ... family and is involved in the control of cell division; it is alsoable to elicit the adverse process, programmed celldeath [39]. To our knowledge, little is known aboutthe myc homologue in molluscs, ... appeared to be a novel sequence. Metallo-thioneins are small, cysteine-rich, heat-stable proteinsinvolved in the cellular regulation of essential metals, and in detoxification of heavy metals. Several...