Sentences with phrase «which organelles»

Cytoplasm the interior, aqueous part of the cell, in which the organelles and inclusions are suspended.

An example here would be the way in which organelles are part of the very constitution of a living cell.

«With this phase diagram, as long as you tell me the size and speed at which an organelle moves, I can tell you what mechanical environment it sees.»

Not exact matches

Another example is cellular organelles, which reproduce but are incapable of life independent of the cell that is their environment.

As the chlorophyll within this organelle absorbs energy from sunlight, it releases high - energy electrons; vitamin K1 forms a bridge between chlorophyll and several iron - sulfur centers across which these electrons travel, releasing their energy so that the cell can ultimately use it to synthesize glucose..

Can you guess which part is represents the chorplasts (the organelle where photosynthesis occurs)?

6 Most of that DNA resides not in the cell nuclei, which control heredity, but in our mitochondria, the organelles (units within cells) that generate metabolic energy.

«With our knowledge of this delicate mechanism in yeast we can now focus on finding new sensors in different organelles and species which monitor and control the production of unsaturated fatty acids and cholesterol in our body.»

«Too little FAM134B leads to an uncontrolled dilation and expansion of this organelle, which is harmful for the cell,» explains Ivan Dikic.

Among other things, they have seen regularly recurring platelets in each cell, which they believe are parts of chloroplasts, the organelles within plant cells where photosynthesis takes place.

The latest such roster — 271 proteins identified in a compartment of the cell nucleus called the nucleolus — is a first step toward fully deciphering this organelle, a critical element in the construction of ribosomes, which build proteins.

Mitochondria are the cell's energy - generating organelles, and they have their own DNA, which is distinct from the much longer DNA sequence that resides in the cell's nucleus.

These organelles, which perform photosynthesis in green plants, are descendants of formerly free - living cyanobacteria, which are prokaryotes that lack an RNAi system.

Each cnidocyte contains a cnidocyst, an organelle which resembles a miniature coiled harpoon.

This enzyme (P45 - IKKα) is generated in the endosomes, a cellular organelle that transports material which has just been added to the cells and which needs a specific acidic environment for optimal performance.

Researchers have long suspected that the benefits of exercise extend down to the cellular level, but know relatively little about which exercises help cells rebuild key organelles that deteriorate with aging.

To test his hypothesis, he and his colleagues carried out experiments on living mammalian cells, into which they injected tiny plastic beads ranging in size from 0.5 to 1.5 microns — a range that covers most major organelles.

When the actin polymerization occurs at one spot on the surface of an autophagosome, which coincides with the location of WHAMM on these organelles, an actin comet tail is formed, and the rapid assembly / disassembly of the actin polymers «pushes» the autophagosome toward the lysosome for final processing.

Photosynthesis, the process by which plants, algae, and select bacteria convert the sun's light energy into chemical energy, takes place in a cellular organelle called the chloroplast.

This year Roberto Docampo, a professor of veterinary pathobiology at the University of Illinois at Urbana - Champaign, found that the bacterium Agrobacterium tumefaciens, which causes crown gall disease in plants, does indeed have organelles.

The scientists then reversed this process and the synthetic liquid organelles reformed by adding another type of enzyme, called a phosphatase, which removed the phosphate group from the peptides, reestablishing their positive charge.

«The structures, which we call liquid organelles, often appear and disappear inside cells.

«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.»

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

The eponymous cell type of the 500 - million - year - old Cnidaria is the cnidocyte, which contains microscopically small organelles — the stinging capsules also known as cnidocysts or nematocysts.

As we age, the nitric oxide meant to cause dilation is increasingly destroyed by reactive oxygen species such as superoxide, which are produced by many components of our body's own cells, including organelles called mitochondria.

Of course, replacing faulty mitochondria, which are self - contained organelles within the cell, is relatively simple and — we think — safe.

High resolution 3D images reveal that once the three components of the parasite — nucleus (blue), other organelles (red), and the green pore the parasite brings with it and through which it invades (green)-- have attached to the cell, a switch is triggered and the parasite is free to burrow through the cell's membrane.

Earlier studies had shown that a protein called GPP130, which continually shuttles into and out of the Golgi apparatus, enables the toxin to reach the organelle.

The team worked with DNA from the mitochondria, the cell's energy - producing organelles, which have their own DNA that is passed along from mother to child.

Their findings, which are published on today's issue of the Proceedings of the National Academy of Sciences (PNAS), come from an analysis of DNA extracted from goat mitochondriasmall organelles that work as cellular power plants.

Mitochondria are well - defined cytoplasmic organelles, which take part in a variety of cellular metabolic functions.

Around two billion years ago, however, some of these protists merged with oxygen - using (and apparently also hydrogen - producing) bacteria, which became multi-functional ancestral mitochondria inside them (Nick Lane, New Scientist, August 11, 2010; Danovaro et al, 2010; Fritz - Laylin et al, 2010; Atteia et al, 2009; and Martin and Muller, 1998) that became strictly oxygen - using mitochondria, strictly hydrogen - producing hydrogenosomes, and organelles remaining capable of both processes to produce energy using ATP.

Further work should complete the picture of the multiple configurations of RNA editosomes which are required to convert Cs to Us in plant organelles.

We have introduced chimeric genes which express GFP in a variety of organelles within the plant cell in order to study the dynamics of cell organization.

«Unicellular models are great tools to address the many fundamental questions which remain unanswered such as controlling the size of cilia and how cells determine the proteins to be placed into these sensory organelles.

Scientists knew that somehow these tiny cell organelles become deformed and cause these diseases because of a problem related to their assembly, which requires the translocation of vast quantities of the vital cell protein tubulin.

The latter is particularly important for the establishment of long axonal projections, which requires coordinated long - range organelle transport.

FPs localized to organelles are equally susceptible to these non-native modifications, which can all potentially affect function [5].

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

Autophagy (more specifically macroautophagy) is the process by which cellular compartments, such as membranes and organelles and also protein aggregates, are recycled back into their building blocks [122].

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.

We want to understand the mechanism of RNA editing in chloroplasts and mitochondria of plants, which results in modification of specifics Cs to Us in transcripts, altering the amino acid composition of proteins encoded by organelle genomes.

His work has contributed to the emerging consensus that the endosymbiotic theory is correct; this idea proposes that mitochondria, chloroplasts, and perhaps other organelles of eukaryotic cells originated as prokaryote endosymbionts, which came to live inside eukaryotic cells.

Cells divide up their function within distinct cellular structures called organelles, which traditionally thought of as being encased by membranes.

By another twist of fate, Cuervo soon began to study autophagy — the process by which cells break down their waste inside organelles called lysosomes.

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.

Merozoites are ovoid cells containing apically located secretory organelles that release proteins which are required for the invasion of new erythrocytes [6, 7].

Drugging the autophagy pathway to combat cancer has been tried before, but the only drugs that currently block cell recycling work by targeting the cell organelle known as the lysosome, which functions at the final stage of autophagy.

The last but not least cool fasting - enhanced process worth mentioning here is cellular autophagy — a physiological process in the body that deals with destruction of damaged cells and stimulating new cell formation, which is really important for flushing out damaged organelles, pathogens, non-functional proteins and toxins, supporting tissue regeneration and preserving lean mass.