Zygotene
the second stage of prophase in meiosis, during which strands of homologous chromosomes line up and become pairs.
noun
the second stage of the prophase of meiosis, during which homologous chromosomes become associated in pairs (bivalents)
zygotene zy·go·tene (zī’gə-tēn’)
n.
The stage of meiotic prophase during which the precise point-for-point pairing of the homologous chromosomes begins. Also called zygonema.
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- Zygotic
of or relating to a . having zygosity. Historical Examples Heterozygote (different yolk), a zygotic individual which contains both members of an allelomorphic pair. Applied Eugenics Paul Popenoe and Roswell Hill Johnson
- Zyklon
noun hydrogen cyanide used as a poisonous gas, esp. in Nazi concentration camps Contemporary Examples In the next case are photocopies of transit passes for the trucks that brought the cannisters of zyklon B pellets. My Visit To Hell Christopher Buckley January 29, 2009 Finally the empty canisters of zyklon B, perhaps a hundred or […]
- Zymo-
a combining form meaning “ferment,” “leaven,” used in the formation of compound words: zymology. combining form indicating fermentation: zymology zymo- pref. Fermentation: zymogenic. Enzyme: zymogram.
- Zym-
a combining form meaning “ferment,” “leaven,” used in the formation of compound words: zymology. combining form indicating fermentation: zymology zymo- pref. Fermentation: zymogenic. Enzyme: zymogram.
- Zymase
the complex of enzymes obtained from yeast, also occurring in bacteria and other organisms, that acts in alcoholic fermentation and other forms of glycolysis. Historical Examples Hans von Euler-Chelpin isolated one part of zymase, which remains active even after heating its solution to the boiling point. Smithsonian Institution – United States National Museum – Bulletin […]