Sentences with phrase «with flagella»

Nearly half of the samples contained cells with flagella, tail - like projections that sperm use to swim.

Because one end of each tube was slightly narrower than the other, sperm that swam into the wider end become trapped, headfirst, with their flagella still free.

The needle's base has ten elements in common with the flagellum, but it is missing forty of the proteins that make a flagellum work.

Sexual reproduction in which male animals produce motile sperm often with flagellum is found in all major phyla of metazoan animals [84].

Not exact matches

When the back of Jesus is bared and stretched tight, a Roman legionnaire steps forward with the flagrum (sometimes it is called a flagellum or cat - of - nine - tails) in his hand.

For he spoke long before William Dembski began stringing out his texts with all those ones and zeros, and long before Michael Behe began instructing the lay public in the intricacies of bacterial flagella.

Differences of degree alone are not easily consistent with the ID argument, which posits a difference in kind between stones and flagella, analogous indeed (in their argumentation) to the difference between naturally produced things and artificially produced things.

Dr. Wolgemuth and his team, in collaboration with Dr. Justin Radolf at the University of Connecticut Health Center, found that the swimming speeds of the bacteria decrease with increases in the viscosity of their external environment, even though their motors — called flagella — are entirely intracellular.

Although the flagellum, along with the rest of the jaw, is thought to play an important role in the mating behavior of camel spiders, and was observed to transfer sperm to the female in at least one species, little is known about its precise function.

They differ most obviously from their spider and scorpion relatives in three ways: their massive two - segmented jaws, which can be up to one - third of their body length and are armed with teeth and spine - like and horn - like processes of various sizes; the flagellum, found on the jaws of adult males in most species and thought to play a major role in reproduction; and the malleoli, racquet - shaped sensory organs on the underside of the first segment of the last pair of legs.

The bio-bots are modeled after single - celled creatures with long tails called flagella — for example, sperm.

Or flagellar shaft, an elongated, variously shaped portion of the flagellum found in many species, which contains two canals, one with an external opening thought to secrete a fluid which plays a part in reproduction.

Many bacteria swim with miniature propellers called flagella.

With individual polymer molecules roughly the same size as a single bacterium, the bacteria's flagella physically stretch out the coiled - up polymers like a rubber band.

It is far from easy to control a single cell that propels itself through fluid with its whip - like flagellum.

With the help of a wiggling flagellum and a variable number of googly eyes, you dart forth into the primordial soup.

But changing lifestyles is as easy as cashing in DNA for a new mouth — or if you prefer, multiple mouths — along with extra flagella, defensive spikes, poison - spewing vesicles, and other organismic add - ons.

Even though the virus doesn't have a flagellum, injecting the rodents with flagellin in advance protected them against the pathogen.

One of the sponge's cell types is the distinctively shaped choanocyte, a cell equipped with a tiny long filament, called a flagellum, surrounded by a collar studded with even tinier hairs called microvilli.

Found in termite hindguts, this tiny creature with more than 20 flagella is named for H.P. Lovecraft's tentacle - headed demon Cthulhu.

Coupled with the long, sensing whip - like flagella extending from the tip of the claws, this makes the frontal appendages of the animal some of the most versatile and complex in all known arthropods.

Researchers knew that Bsal makes spores with a tiny tail called a flagellum, which propels them toward amphibians.

Then, some heat and acid resistant archaebacterium (e.g., Thermoplasma) may have merged with free - swimming spirochete - type bacteria, which became flagella or cilia, on a now, free - swimming protist that is easily poisoned by oxygen.

This parasite's flagellum is structurally identical to the cilium but with a unique pocket at its base.

Choanoflagellates are not the most charismatic of creatures, consisting of an oval blob equipped with a single taillike flagellum that propels the organism through the water and also allows it to eat.

Algae in this genus have a cell wall, a chloroplast, an «eye» that perceives light, and two anterior flagella with which they can swim using a breast - stroke type motion.

Animal sperm are predominantly small and motile, with compact nuclei and often a beating flagellum, which are produced through a series of male - specific developmental steps called spermatogenesis.

Here, we show that mouse TCTE1 is testis - enriched in its expression, with its mRNA appearing in early round spermatids and protein localized to the flagellum.

TCTE1 is 498 aa in length with a leucine rich repeat domain at the C terminus and is present in eukaryotes containing a flagellum.