Sentences with phrase «like organelle»

But it has now been demonstrated that these Archezoa actually contain derived mitochondria, organelles that were once mitochondria in their evolutionary past (anaerobic mitochondria, mitochondria - like organelles, hydrogenosomes and mitosomes)[5].

This basically means that all mitochondria and mitochondria - like organelles from all extant eukaryotic lineages can be traced back to a single ancestor.

The RNA strand is then moved out of the nucleus where enzyme - like organelles called ribosomes use it as a guide to synthesize chains of amino acids that form the desired protein.

Not exact matches

However, Guo says, there are also «many minispoons» stirring up the surrounding cytoplasm, in the form of proteins and molecules that, every so often, actively push vibrating organelles around like billiard balls.

At the same time, the organelles inside them looked like those in type II cells.

Indeed, scientists now know that some organelles evolved from endosymbiont bacteria, raising hopes that studying tiny endosymbionts like Tremblayacould shed light on the evolution of those organelles.

«This field is very new and there are likely many different mechanisms by which liquid organelles form in cells, so exploring fundamental questions like «what are the minimum requirements to make these structures come and go as they do in the cell» is very important.»

When a sperm penetrates the egg, it unwraps the centrosome, an organelle that acts like a construction foreman overseeing the creation of microtubules in the cell.

Organelles like mitochondria, which are the «powerhouses» of cells and generate their energy, were detectable.

«The ballistic organelles look like some kind of alien device.»

Some species have a structure — similar to camera - like animal eyes — with a cornea - like outer covering derived from mitochondria and a light - sensitive inner cup from an engulfed red - algal organelle, Keeling and colleagues reported July 9 in Nature.

The chromosomes then head on to the poles» main sector, the centrosomes (organelles that act somewhat like roundabouts), and continue on through the main roads until they reach the spindle equator's parking zone.

Canadian Institute for Advanced Research senior fellows Brian Leander and Patrick Keeling supervised lead author Greg Gavelis at the University of British Columbia and, in collaboration with senior fellow Curtis Suttle, showed that this eye - like structure contains a collection of sub-cellular organelles that look very much like the lens, cornea, iris and retina of multicellular eyes that can detect objects — known as camera eyes — that are found in humans and other larger animals.

One specific strategy is to target host organelles like the mitochondria.

The power and glory of X-ray crystallography were that it was the first technique to show our eyes what the atomic world really looked like — initially for minerals and simple solids; then for small organic substances; eventually for giant molecules, macromolecular assemblies, and even organelles like the ribosome.

Cells are like tiny factories, where different functions are carried out by highly specialized structures called organelles.

The Archaea domain consists of single - cell microorganisms that, like bacteria, have no cell nucleus or membrane - bound organelles, a sub-unit within a cell.

Mitochondria are unique among organelles — they operate like a cell within a cell, and have their own set of DNA (called mtDNA).

The tripods in turn can form prism - like structures, 100 nanometers on each side, that begin to approach the size of cellular organelles such as mitochondria.

These cells didn't have the organelles required for complexity, like mitochondria (which produce energy) and nuclei (where DNA is stored and transcribed).

As a model for investigation of the other major protrusive organelle, the filopodium, we developed in vitro systems for producing filopodia - like bundles (Vignjevic et al., 2003), one of which uses cytoplasmic extracts and another that reconstitutes like - like bundles from purified proteins.

Remarkably, other organelles, like for example the nucleolus, are not surrounded by membranes.

Recent studies have provided compelling evidence that membrane-less organelles have liquid - like properties and form by liquid de-mixing in a process called phase separation.

In addition to disputing the relevance of your source trial (which doesn't appear to offer a duration or suggestion that the tests increase healthy lifespan of the mice in question), I'd like to point out that protection is less beneficial in the long term, because you can not stop damage from occurring completely no matter how well you defend an organelle, and that damage will accumulate over time.

What do organelles look like in a eukaryotic cell?

Mitochondrion were first described as «bioblasts» by Altmann and in 1898, Benda observed that these organelles had various shapes, sometimes long, like a thread, and sometime round, like a ball.

Eukaryotic genetic material is divided into different, [3] linear molecules called chromosomes inside a discrete nucleus, usually with additional genetic material in some organelles like mitochondria and chloroplasts (see endosymbiotic theory).

Is it possible to show, that much of the protein loss, that guys like Phinney and Volek talk about is actually the junk protein, autophagosized cell organelles, extra collagen from the belly, but NOT MUSCLE?

Contemplated together, Organ Organelle and In and Out and In and Out, Again read like a diptych, complementary monuments to birth and death centered on the organic nature and functions of the body whose vegetative inevitabilities are reinforced through a ritualistic presentation.