Sentences with phrase «ribosomes do»

In fact, this study reveals something heretofore unknown: ribosomes do not have to be promiscuous to work — the two units that usually combine and separate can be tethered together permanently without killing the cell.

«But the ribosome didn't make mistakes.

Not exact matches

Ban and Poul Nissen, a membrane protein researcher at the Aarhus University in Denmark who was also doing a postdoc in Steitz's lab at the time, pushed to determine the structure of the large subunit of the ribosome at high resolution.

Venkatraman Ramakrishnan, Thomas Steitz and Ada Yonath first determined how to image the ribosome, then revealed how it does its protein - making work

«Under warmer temperatures, marine micro-algae do not seem to produce as many ribosomes as under lower temperatures.

If the necessary ribosome - associated quality control machinery (RQC) does not function properly, defective proteins accumulate and form toxic aggregates in the cytoplasm of the cells.

Too much structure could force the ribosome to do extra work untangling the strand or even stall translation altogether.

Despite all these novel properties, Pandoraviruses display the essential characteristics of other viruses in that they contain no ribosome, produce no energy and do not divide.

Some mRNAs also contain introns, extra sequences that do not encode protein and must be spliced out before they journey to the ribosome.

However, if exercise restores or prevents deterioration of mitochondria and ribosomes in muscle cells, there's a good chance it does so in other tissues, too.

«We have ample evidence that hundreds of the oldest ribosomal proteins still start with a valine or a leucine code and do not have the codon for methionine in the DNA,» Duax said, referring to proteins found in basic cell components called ribosomes.

The ribosome has two key subunits, made of proteins and RNA, that do the work of pulling together and assembling amino acids.

So there has been tremendous progress in that; we have certain proof of principle ribosomes that are RNA dependent, RNA polymerases, which is great, but I think we really have to step back and think about the problem in a different way in order to develop a simple, effective system that can actually do self - replication and not just be a proof of principle.

To do that, the spectinamides bind to a particular site on ribosomes that is not shared by other TB drugs.

That fact that mitochondria have their own DNA, RNA, and ribosomes, supports the endosymbiosis theory, as does the existence of the amoeba, a eukaryotic organism that lacks mitochondria and therefore requires a symbiotic relationship with an aerobic bacterium.

Chloramphenicol acts on the protein manufacturing system of bacteria (the cell's ribosomes) yet does not affect mammalian, reptilian, or avian ribosomes.