There are 25 million to a billion different T-cells in your body. Each cell has a unique T-cell receptor that can fit with only one kind of antigen, like a lock that can fit with only one shape of key. Antigens and receptors work a lot like a lock and key. Each of the 25 million to a billion different T-cells fit with a different shape of antigen.
Motivating operation. Motivating operation (MO) is a behavioristic concept introduced by Jack Michael in 1982. It is used to explain variations in the effects in the consequences of behavior. Most importantly, a MO affects how strongly the person is reinforced or punished by the consequences of their behavior.
Intrinsic Motivation. Intrinsic motivators include fascination with the subject, a sense of its relevance to life and the world, a sense of accomplishment in mastering it, and a sense of calling to it. Students who are intrinsically motivated might say things like the following.â 1 Literature interests me.â.trategies for Motivating Students. Following are some research-based strategies for motivating students to learn. 1  Become a role model for student interest. 2  Deliver your presentations with energy and enthusiasm. 3  As a display of your motivation, your passion motivates your students.