The antagonistic efficiency of the bivalent cations other than Ca was, however, smaller than that of Ca.
For the chromosomes of the heterotype mitosis arise by the looping round, not opening out, of the bivalent chromosomes.
Monoxide, mo-nok′sīd, n. an oxide containing a single oxygen atom in combination with two univalent atoms or one bivalent atom.
The presence of bivalent cations, especially Ca, also favours the agglutination.
Figure 145 is a prophase showing the bivalent chromosomes still connected by linin fibers.
In Tenebrio molitor, the unequal pair behaved in every respect like the other bivalent chromosomes.
The connection of the element x with the spireme up to the stage where the spireme segments to form the bivalent chromosomes.
bivalent chromosomes, with longitudinal split; small chromosome shown at s.
Ionium expels an alpha particle and becomes radium, which is a bivalent element resembling barium belonging to the second group.
bivalent bi·va·lent (bī-vā'lənt)
adj.
Having a valence of 2; divalent.
Consisting of a pair of homologous, synapsed chromosomes, as occurs during meiosis; double.
