New PDF release: Strukturtypen der Ruhekerne von Pflanzen und Tieren


By Elisabeth Tschermak-Woess (auth.)

ISBN-10: 3211806539

ISBN-13: 9783211806531

ISBN-10: 3709154731

ISBN-13: 9783709154731

Show description

Read or Download Strukturtypen der Ruhekerne von Pflanzen und Tieren PDF

Best biology books

Power, Sex, Suicide: Mitochondria and the Meaning of Life by Nick Lane PDF

If it weren't for mitochondria, scientists argue, we'd all nonetheless be single-celled micro organism. certainly, those tiny buildings inside of our cells are vital past imagining. with out mitochondria, we'd haven't any cellphone suicide, no sculpting of embryonic form, no sexes, no menopause, no aging.

In this attention-grabbing and thought-provoking ebook, Nick Lane brings jointly the most recent examine during this fascinating box to teach how our becoming perception into mitochondria has make clear how complicated lifestyles advanced, why intercourse arose (why don't we simply bud? ), and why we age and die. those findings are of primary significance, either in realizing lifestyles in the world, but additionally in controlling our personal health problems, and delaying our degeneration and demise. Readers examine that billion years in the past, mitochondria have been most likely micro organism residing self reliant lives and that their seize inside greater cells used to be a turning element within the evolution of existence, allowing the improvement of advanced organisms. Lane describes how mitochondria have their very own DNA and that its genes mutate a lot speedier than these within the nucleus. This excessive mutation expense lies at the back of our getting older and likely congenital illnesses. the newest learn means that mitochondria play a key function in degenerative illnesses similar to melanoma. We additionally realize that mitochondrial DNA is handed down nearly solely through the feminine line. That's why it's been utilized by a few researchers to track human ancestry daughter-to-mother, to "Mitochondrial Eve," giving us very important information regarding our evolutionary history.

Written by way of Nick Lane, a emerging megastar in renowned technological know-how, energy, intercourse, Suicide is the 1st publication for normal readers at the nature and serve as of those tiny, but attention-grabbing constructions.

New PDF release: Gene Probes: Principles and Protocols

Using nucleic acid or gene probes as cloning or diagnostic instruments has promoted major advances in human genome mapping and within the isolation and manipulation of genes mostly. In Gene Probes, Marilena Aquino de Muro and Ralph Rapley have introduced jointly a great number of time-tested protocols for designing and utilizing gene probes in a wide selection of purposes.

Download e-book for iPad: Molecular Biology and Physiology of Insulin and Insulin-Like by J. S. Sussenbach, P. H. Steenbergh, E. Jansen, P.

This quantity addresses a primary puzzle in biology and medication, particularly, how does tissue enhance, fix and substitute itself. the reply appears to be like to lie in development elements and their law. To thrive and continue to exist we'd like development components and this booklet concentrates on components which are regarding development hormone.

Serotonin: From Cell Biology to Pharmacology and by M. M. Rapport (auth.), Rodolfo Paoletti, Paul M. Vanhoutte, PDF

This quantity represents the lawsuits ofthe invited lectures ofthe first overseas Symposium on "Serotonin from telephone Biology to Pharmacology and Therapeutics" which was once held in Florence on March 29 -Aprill, 1989. This assembly, held below the co-sponsorship of the Serotonin membership and the Fondazione Giovanni Lorenzini, represents the 1st try to assemble scientists thinking about the complexity of the motion of 5-hydroxytryptamine in the course of the physique and in a number of species.

Additional info for Strukturtypen der Ruhekerne von Pflanzen und Tieren

Sample text

Tn den diploiden kann sich da,; lockere allerdings del' Beohachtung entziehen. H. ir die genannten Aden nicht zu. Vielleidl! 'I'inl es aueh bei benaehbarter Lage in den cliploiden Kernen mit in die kompakten Chromozcntren einhezogen und tritt erst mit cler Polyploidisicrung l1e1'\'or ; fiir ll'tzteres sprechcn Befuncle an Rhillantlllu; (TSCHERMAK-VVOESS 195, a). 28 V 11: ELISABETH T SCHERMAK-WOESS, Strukturtypen del' Ruhekerne starker verkleben, so ,daR ihr Vorhandensein sich nur lllehr an den lllehr oder minder regellllaRig vorspringenden Konturen und eventuell auch an dem Vorhandensein von Vakuolen erkennen laRt.

Bb. 16. ,,, upyeri. C'hromati"ehcr In halt der Kernc jllngcr Bliitter. nach J AKOWSKA 1951. ~ •••• Feu l ~en(lllebrhmet h ode. ~200bch. auch Bilder in einer alteren Arbeit von DELAY (1941) deuten daranf hin: ll1ancbe Kerne - besonders in der Epidermis gelegene - haben einen Chromoll1erenbau wie viele Liliaceen und wirken nahezu gleichmaflig enchrol11atisch; in anderen besteht offcnbar ein nicht genau auflosbarer Hidiger Bau und weiters gibt es Kerne, wie DELAY (1946/48) sie schilderi, "owie verscbiedene Dbergange.

Yerschiedenartige Chromomercnkerne. a aU

Download PDF sample

Strukturtypen der Ruhekerne von Pflanzen und Tieren by Elisabeth Tschermak-Woess (auth.)

by Michael

Rated 4.05 of 5 – based on 13 votes