Webhumoral immunity: immunity associated with circulating antibodies, in contradistinction to cellular immunity. The inherent range of activity of antibody specificities is wide but proliferation of antigen-specific B cells occurs rapidly during infections leading to rapid increases in antibody titers with enhanced affinity for the inciting ... WebThe simplest forms of transport across a membrane are passive. Passive transport does not require the cell to expend any energy and involves a substance diffusing down its concentration gradient across a membrane. A concentration gradient is a just a region of space over which the concentration of a substance changes, and substances will ...
Mediator Definition and Examples - Biology Online Dictionary
WebThe mechanisms of laccase-mediated delignification of pulps have been intensively studied. ... Our view of the biochemistry and molecular biology of lipid mediators has greatly … WebReceptor-mediated endocytosis is commonly used by viruses to penetrate the plasma membrane. As the pH of the endosome drops, the viral proteins change configuration, which allows them to escape from the endosome. Depending upon the virus, this can happen in early endosomes, late endosomes, or lysosomes. ffcreator使用
What is receptor-mediated in biology? - Studybuff
WebDefine mediated. mediated synonyms, mediated pronunciation, mediated translation, English dictionary definition of mediated. v. me·di·at·ed , me·di·at·ing , me·di·ates v. tr. 1. WebFeb 24, 2014 · Biology Stack Exchange is a question and answer site for biology researchers, academics, and students. It only takes a minute to sign up. ... Here the signal comes from the membrane and is mediated through different factors until its passed into the nucleus. Share. Improve this answer. Webmediate. 1. Situated between; intermediate. 2. To effect something by means of an intermediary substance, as in complement-mediated phagocytosis. 1. Situated … ffcra washington state 2021