Download PDF by Hans A. Went: The Behavior of Centrioles and the Structure and Formation

By Hans A. Went

ISBN-10: 3211807837

ISBN-13: 9783211807835

ISBN-10: 3709155711

ISBN-13: 9783709155714

Integrated among the arrangements for mobilephone dtivision in mos, t better vegetation and animals is the constel1ation . of eV'eruts encompassing the for mation . of the, spindle or mitotic app'al'latus, based upon th, e org1anism. those are temporary buildings, resP. onsibl

Show description

Read or Download The Behavior of Centrioles and the Structure and Formation of the Achromatic Figure: Kern- und Zellteilung G der Kernteilungsmechanismus 1 PDF

Similar biology books

Apoptosis Methods and Protocols - download pdf or read online

A set of state of the art ideas for detecting and quantifying apoptosis, figuring out its biochemistry, and for picking the genes and proteins that keep watch over and hold it out. defined in step by step element, those without difficulty reproducible equipment variety from movement cytometry and immunohistochemical systems to kinase job assays, yeast two-hybrid screening, and the cloning of novel genes through differential expression.

Get Cellular and Molecular Biology of Metals PDF

With bankruptcy contributions from greater than 30 steel biology specialists, mobile and Molecular Biology of Metals explains the function of key divalent steel ions all for the molecular and mobile biology of varied aim mobile populations. even though it essentially specializes in homeostatic metals, equivalent to nickel, zinc, and chromium, the textual content additionally discusses a couple of environmentally pertinent, poisonous divalent cations, together with mercury, cadmium, and arsenic.

Get The Cytoskeleton: An Introductory Survey PDF

The time period cytoskeleton has turn into firmly proven in latest clinical vocabulary. certainly, it truly is tricky to think that simply ten years in the past, it was once nearly non-existent. considering the fact that then, the trendy box of analysis at the structural association of the cytoplasm has become the most efficient and quickly increasing examine components in mobile Biology this day.

Additional resources for The Behavior of Centrioles and the Structure and Formation of the Achromatic Figure: Kern- und Zellteilung G der Kernteilungsmechanismus 1

Sample text

Any fibers attached to kinetochores s·eem always to be directed toward the spindle poles and never directly connect tW,o or more kinetochores to one another. Such kinetochor,e-to-kinetochore attachment,s, with the resultant chaos, are strictly prohibited by the LETTRES hypothesi,s. Thes·e are some difficulties which the author feels IllJIlst be resolved before the centrio>lesand kinetochores can ,be consi,dered both structurally and functionally homologous. During the course of the preceding remarks in connection with the origin and continuity of centrioles, it was pointed out the centrioles maY arise from kinetochores and are themselves able to develop into hasal bodies.

In the resting cell there are two centrioles attached to each other by a fine fiber, but in this case one is long (oQld) and the other is short (new). The new centriole is actually a mere granule which had been produced during the previous generation. With the cmset of prophase the short centrioQle begins to elongate. However, instead oQf growing parallel to the old elongate centrioIe as is the case in Barbulanympha, it elongates in a direction at 900 from the oQld centriole. When the new centriole has become as long a's the old one, both begin the production of astral rays from their slightly swollen distal ends.

It should be mentioned that the nucleus is excluded. as the source of any specific precursors or presumptive centrioles. 8. There is evidence which implies that centrioles and kinetochores are homologous structures. Centriole reproduction 1. Evidence from classical cytology, electronmicroscopy and other techniques Centriole reproduction has been the subject of considerable experimental inquiry. The approach to this problem, utilized by the eminent cytologists of the last century and the beginning of this one, was that of microscopic identification and counting.

Download PDF sample

The Behavior of Centrioles and the Structure and Formation of the Achromatic Figure: Kern- und Zellteilung G der Kernteilungsmechanismus 1 by Hans A. Went

by Ronald

Rated 4.63 of 5 – based on 50 votes
This entry was posted in Biology.