organelles


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organelles

Tiny structures performing particular tasks in a cell’s cytoplasm. See mitochondria, ribosomes.
References in periodicals archive ?
Some energy-hungry cells, such as those in muscles, contain up to a thousand of these remarkable organelles. Instead of making electricity, as conventional power plants do, mitochondria use oxygen and complex sugars in a process known as respiration.
Yeast cells and those of the more complex organisms are classified as eukaryotes because, unlike bacteria, they contain distinct nuclei and organelles.
The researchers report that the particles entered the cells and congregated in organelles such as the cell-powering mitochondria and the protein-processing Golgi apparatus.
Yet the mechanisms by which archaea regulate cell division- in the absence of nuclei, organelles and a rigid cell wall- are poorly understood.
Cells, which are basically bags of organelles, proteins, and small molecules, might not at first glance seem promising for such computations.
I have developed a method to address the age dependent apportioning of organelles in cell division, and discovered that the mammary progenitor cells dispose certain organelles age-dependently to the differentiating daughter.
The enzyme, aldehyde dehydrogenase, is normally employed for other purposes by mitochondria, which are the energy-generating organelles within cells.
For more clues, the researchers zeroed in on the sites of ROS production in diatoms: the photosynthesizing organelles called chloroplasts, which harvest the sun's energy and produce ROS as a byproduct.
Here we address issues to this problem through the design and rational engineering of de novo and natural scaffolds and organelles. Indeed, it is well known that nature uses compartments to efficiently concentrate and/or segregate specific proteins in specific organelles.
This crucial molecular pathway influences the rate of autophagy, the natural process by which cells break down surplus or dysfunctional proteins, pathogens and organelles such as mitochondria.
One is stochastic-mode that involves the rearrangement of all organelles before cytokinesis.
The compartments, called membraneless organelles, are found throughout the cell.