Sentences with phrase «numerous cell membrane»
Prof. De Meyts assures that «Prof. Maruyama makes a convincing case that this [dimerization] model is incorrect, and that in fact, numerous cell membrane receptors are pre-dimerized in the membrane and are activated allosterically by ligand binding.»
https://www.sciencedaily.com/ Not exact matches
Sperm racing to fertilize an egg face numerous hurdles, including burrowing through the zona pellucida, a thick wall surrounding the cell membrane.
Furthermore, if an agent is able to penetrate one or both of these membranes, it is often subject to rapid efflux out of the cell by numerous broadly acting efflux pumps - rendering the agent ineffective.
From numerous studies in the Xenopus paired oocyte system and various cell culture systems, a reasonable assumption might be that if two cells express the same connexin or innexin and lie in close membrane apposition, gap junctions will probably be established between them; this assumption has not been investigated rigorously in vivo.