Evolution of flagella information

The evolution of flagella is of great interest to biologists because the three known varieties of flagella – (eukaryotic, bacterial, and archaeal) each...

range of microorganisms to provide motility. Many protists with flagella are known as flagellates. A microorganism may have from one to many flagella. A...

developments and advances in biology such as an improved understanding of the evolution of flagella, have already undermined these arguments. The idea that seemingly...

Evolution is the change in the heritable characteristics of biological populations over successive generations. It occurs when evolutionary processes...

and subsequent development of cells Evolution of flagella – Origin of three known varieties of flagella Evolution of mammalian auditory ossicles – Middle...

ultrastructural similarities to bacteria or to archaea (see also: Evolution of flagella and Prokaryotic cytoskeleton). According to Margulis and Dorion...

The evolution of cetaceans is thought to have begun in the Indian subcontinent from even-toed ungulates (Artiodactyla) 50 million years ago (mya) and to...

contain their own DNA[citation needed] (notably the flagellum – see evolution of flagella). Eukaryotic cells are structurally complex, and by definition are...

protozoans, are motile and can generate movement using flagella, cilia or pseudopods. Cells which use flagella for movement are usually referred to as flagellates...

the exception of certain flagella, which work like corkscrews). Biologists have offered several explanations for the apparent absence of biological wheels...

type of cilium (aka flagella). In many animals the sperm tail is formed through the unique process of cytosolic ciliogenesis, in which all or part of the...

They are composed mainly of tubulin, and are entirely distinct from prokaryotic flagella. They are supported by a bundle of microtubules arising from...

appendages called flagella. The word flagellate also describes a particular construction (or level of organization) characteristic of many prokaryotes...

sperm-pairing, forming conjugate pairs in the epididymis. This may ensure that flagella movement can be accurately coordinated for maximal motility. Conjugate...

evolutionary loss of the outer membrane or capsule, and just after the evolution of flagella. Most notably, this author assumed an unconventional tree of life placing...

Bryophytes have 2 flagella, horsetails have up to 200 and the mature spermatozoa of the cycad Zamia pumila has up to 50,000 flagella. Cycads and Ginkgo...

ago. It is probable that these earliest fungi lived in water, and had flagella. However, a 2.4-billion-year-old basalt from the Palaeoproterozoic Ongeluk...

The evolution of mammalian auditory ossicles was an evolutionary process that resulted in the formation of the bones of the mammalian middle ear. These...

are a clade of organisms distinguished by the presence of stiff tripartite external hairs. In most species, the hairs are attached to flagella, in some they...

lengthy paper about the evolution of flagella and has continued to challenge claims from intelligent design proponents that flagella are irreducibly complex...

sliding, which are all independent of flagella. Twitching depends on the extension, attachment to a surface, and retraction of type IV pili which pull the cell...

has evolved multiflagellated sperm cells with approximately 20 flagella (sperm flagella in other vascular plants can count at least thousand, but is completely...

width measurements of the cells and flagella, the presence of paramylon grains in the cytoplasm, 16 pellicle strips, four rows of microtubules supporting...

Experimental evolution is the use of laboratory experiments or controlled field manipulations to explore evolutionary dynamics. Evolution may be observed...

fact that one of the goals of evolutionary taxonomy is to identify taxa that were ancestors of other taxa. However, because evolution is a branching...

overview of notable finds of hominin fossils and remains relating to human evolution, beginning with the formation of the tribe Hominini (the divergence of the...

with two flagella most forms have a leading and trailing flagellum, the latter of which may be attached to the side of the cell. The flagella are used...

The evolution of bacteria has progressed over billions of years since the Precambrian time with their first major divergence from the archaeal/eukaryotic...