Compare and contrast the holes-in-the–repertoire model and the determinant-selection model of immune responsiveness
What will be an ideal response
In the determinant-selection model, differences in responsiveness are explained by the ability or inability of MHC to bind peptide. In the holes-in-the repertoire model, differences in responsiveness are explained by the presence or absence of specific T cells. T cells that respond to certain peptides may be deleted during selection on certain MHC backgrounds.
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Which of the following is a function of the parasympathetic nucleus of the oculomotor nerve?
A. Control of the lateral movements of the eye B. Control of the medial, superior, and inferior rectus muscles and the inferior oblique muscle C. Control of the pupillary sphincter and the ciliary muscle D. A and B E. A, B, and C
Which of the following is considered a part of social wellness?
A. tolerance B. creativity C. ethics D. weight E. none of the above
Muscle contraction is based on which principle, which explains that a muscle fiber contracts completely or not at all?
a. overload principle b. specificity principle c. Peter principle d. all-or-none principle e. response principle
Information and skill development are the most effective defenses against the negative aspects of sexuality, such as promiscuity, teen pregnancy, sexually transmitted diseases, and sexual abuse.
Answer the following statement true (T) or false (F)