Historical Perspectives of Angiosperm Evolution: Introduction
نویسندگان
چکیده
منابع مشابه
Molecular phylogenies in angiosperm evolution.
We have cloned and sequenced cDNAs for the glyceraldehyde-3-phosphate dehydrogenase of glycolysis, gapC, from a bryophyte, a gymnosperm, and three angiosperms. Phylogenetic analyses are presented for these data in the context of other gapC sequences and in parallel with published nucleotide sequences for the chloroplast encoded gene for the large subunit of ribulose-1,5-bisphosphate carboxylase...
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Many separate-sexed organisms have sex chromosomes controlling sex determination. Sex chromosomes often have reduced recombination, specialized (frequently sex-specific) gene content, dosage compensation and heteromorphic size. Research on sex determination and sex chromosome evolution has increased over the past decade and is today a very active field. However, some areas within the field have...
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Rall JA. Nobel Laureate A. V. Hill and the refugee scholars, 1933–1945. Adv Physiol Educ 41: 248–259, 2017; doi:10.1152/ advan.00181.2016.—A. V. Hill shared the 1922 Nobel Prize in Physiology or Medicine for his investigation of the energetics of muscular contraction. His scientific work has been well chronicled over many years (Rall JA. Mechanism of Muscular Contraction, 2014). There is the na...
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The phenomenon of yawning is just as intriguing and fascinating as sleep, yet understanding of its causes and consequences has defied the human mind for centuries. Hippocrates, Sennert, Boerhaave and de Gorter each advanced a theory in his time. From the release of tainted humor to the awakening of animal spirits and improved brain oxygenation, the metaphors that developed from these theories a...
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ژورنال
عنوان ژورنال: Annals of the Missouri Botanical Garden
سال: 1984
ISSN: 0026-6493
DOI: 10.2307/2399029