The Launch Manager software is basically a keyboard driver, but for enhanced keyboard functions -- the play, pause, stop, volume and Windows function keys on laptop computers. The software launches when the computer loads Windows and allows you to customize action keys on your keyboard.
Humoral immunity is called active when the organism generates its own antibodies, and passive when antibodies are transferred between individuals or species. Similarly, cell mediated immunity is active when the organismsâ own T-cells are stimulated, and passive when T cells come from another organism.
A Prolonged Antigenic Stimulation Is Required for Activation of Naive T Cells but Is Detrimental for Effector T Cells. To understand the basis for the different behavior of naive and effector T cells, we investigated whether the duration of signaling might determine the different responses.