While cyanobacteria have been traditionally considered algae, recent works usually exclude them due to large differences such as the lack of membrane-bound organelles, the presence of a single circular chromosome, the presence of peptidoglycan in the cell walls, and ribosomes different in size and content from those of the Eukaryotes .< ref >

While at the NIH, Venter learned of a technique for rapidly identifying all of the mRNAs present in a cell and began to use it to identify human brain genes.

While growth factor implies a positive effect on cell division, cytokine is a neutral term with respect to whether a molecule affects proliferation.

While some cytokines can be growth factors, such as G-CSF and GM-CSF, others have an inhibitory effect on cell growth or proliferation.

While Bobby sits in his cell at the sheriff station, the outer wall is blown open, and a man named Scott Summers ( Cyclops ) walks in and offers to take Bobby with him.

While in prison, he formed a gospel quartet with fellow cell mates Johnny Terry, " Hucklebuck " Davis and a person named " Shag ", and made homemade instruments-a comb and paper, a washtub bass, a drum kit made from lard tubs and for Brown, what he called " a sort of mandolin out of a wooden box.

While glycerophospholipids are the major component of biological membranes, other non-glyceride lipid components such as sphingomyelin and sterols ( mainly cholesterol in animal cell membranes ) are also found in biological membranes.

While there have been some encouraging results in mice ( via stem cell transplantation ), it is still unknown whether this technique can be effective in replacing myelin loss in humans.

While most cell biologists consider the term organelle to be synonymous with " cell compartment ", other cell biologists choose to limit the term organelle to include only those that are DNA-containing, having originated from formerly autonomous microscopic organisms acquired via endosymbiosis.

While confined to his cell during a prison riot, despite not participating in the riot, shots were fired into his cell.

While still experimental ( given its high rate of complications ), hematopoietic stem cell transplantation is being studied in patients with severe systemic sclerosis ; improvement in life expectancy and severity of skin changes has been noted.

While living in Hamburg, Jarrah became a devout Muslim and associated with the radical Hamburg cell.

While viruses reproduce and evolve, they do not engage in metabolism, do not move, and depend on a host cell for reproduction.

While the rest of a bacterial cell may stain, the endospore is left colourless.

While killed vaccines do not have this risk, they cannot generate specific killer T cell responses, and may not work at all for some diseases.

While plants do utilise many of the same epigenetic mechanisms as animals, such as chromatin remodeling, it has been hypothesised that plant cells do not have " memories ", resetting their gene expression patterns at each cell division using positional information from the environment and surrounding cells to determine their fate.

While in prison, Schiele created a series of 12 paintings depicting the difficulties and discomfort of being locked in a jail cell.

While DAG stays inside the membrane, IP < sub > 3 </ sub > is soluble and diffuses through the cell.

While prokaryotic cyanobacteria themselves reproduce asexually through cell division, they were instrumental in priming the environment for the evolutionary development of more complex eukaryotic organisms.

While each cell of the cluster may only last 20 minutes, the cluster itself may persist for hours at a time.

While for membrane recycling and the incorporation of ion channels, signaling molecules, or receptors at the cell membrane complete membrane merger is required, for cell secretion there is transient vesicle fusion with the cell membrane at a structure called the porosome, in a process called exocytosis, dumping its contents out of the cell's environment.

While insulation reduces energy loss through the building envelope, thermal mass uses walls to store and release energy.

While static gauge pressure is of primary importance to determining net loads on pipe walls, dynamic pressure is used to measure flow rates and airspeed.

* George Harrison's 1975 song " This Guitar ( Can't Keep from Crying )", a lyrical sequel to his Beatles track " While My Guitar Gently Weeps ", references the magazine in its second verse: " Learned to get up when I fall / Can even climb Rolling Stone walls ".

While " Black Agnes ," Countess-consort Dunbar and March, continued to resist the English laying siege to Dunbar Castle, hurling defiance and abuse from the walls, Scotland received some breathing space when Edward III claimed the French throne and took his army to Flanders, beginning the Hundred Years ' War with France.

While wider tracheids with robust walls make it possible to achieve higher water transport pressures, this increases the problem of cavitation.

While these walls protected the main town, it was not safe to live on the rest of the island until Mediterranean piracy was largely eradicated, which did not truly end until the 19th century.

While a small contingent staged a diversionary attack, the main force penetrated the walls, led by a Russian Orthodox priest armed only with a crucifix.

While flooding has been common with Binghamton sitting at the confluence of two rivers, a major flood was able to overcome the city's flood walls and wreak havoc in June 2006, causing millions of dollars in damage.

While numerous artists visited the Stein salon, many of these artists were not represented among the paintings on the walls at 27 Rue de Fleurus.

While numerous artists visited the Stein salon, many of these artists were not represented among the paintings on the walls at 27 Rue de Fleurus.

While Lambert commanded the Eastern Flank of the Army which would advance and encircle the Eastern walls of Worcester.

While Gilgamesh and Enkidu are resting, Ishtar stands upon the walls of the city ( which is Uruk ) and curses Gilgamesh.

While regular Trumps are in Tarot card form, they can also be drawn upon walls, doors and even living beings.

While many of the village's men were fighting elsewhere, the women, dressed as men, were able to fend off Indian attacks by manning the walls of the fort.

While initially popular with some residents, the flats suffered from poorly constructed roofs and leaking walls.

While inside the walls of Rome, the reigning consuls and the emperor held equal authority, each being able to veto each other's proposals and acts, with the emperor holding all of the consul's powers.

While the Turin King List length for his reign is blank, and Manetho's exaggerates his reign as 66 years, most scholars believe it was between 24 to 26 years, based upon the date of the Will of Prince Nekure which was carved on the walls of this Prince's mastaba tomb.

While outside the city King Syphax has been captured, Maciste and Fulvius are swept up with other prisoners within Cirta ’ s city walls.

While discussing the Gran Grimoire, a powerful source of magic, Guildenstern and Samantha discover ancient Kildean letterings carved throughout the city walls.

While wearing the harness, the arms are powerful enough to allow him to walk up sheer concrete walls and move about quickly.

While the decorations of Horemheb's KV57 tomb walls was still unfinished upon his death, this situation is not unprecedented: Amenhotep II's tomb was also not fully completed when he was buried but this ruler enjoyed a reign of 26 Years.

While the Small Castle has generally preserved its shape, nothing but a few fragments remain of the Great Castle's walls and towers.

While most of the park is athletic fields and public function buildings, the rebuilt walls, eastern main gate, and surrounding moat of the former castle are impressive.

While the towers of the inner court had a square plan and did not project far beyond the wall, the towers of the 13th-century outer walls were rounded.