A monoclonal antibody (mAb) specific for the 2,4-dinitrophenyl (DNP) hapten might also bind Tyr or Phe Leu or Ileu Ser or Thr His or Pro TRUE ANSWER : ? YOUR ANSWER : ?
The HIV virus infects primarily brain cells cells in the immune system red blood cells liver cells TRUE ANSWER : ? YOUR ANSWER : ?
X-linked hyper IgM syndrome, resulting in high levels of serum IgM and low levels of serum IgG, is caused by a defect in CD40L expression. The specific immune event that would be prevented by a defective CD40L would be activation of B cells by T-independent antigens failure of Th2 cells to provide co-stimulation for B cell proliferation failure of Th2 cells to provide co-stimulation for B cell isotype switching failure of B cells to provide co-stimulation for Th2 activation TRUE ANSWER : ? YOUR ANSWER : ?
An example of an immunodeficiency disorder is AIDS systemic lupus erythematosus rheumatic fever thyroiditis TRUE ANSWER : ? YOUR ANSWER : ?
DiGeorge's syndrome is characterized by the lack of a thymus The mouse model closest to this human disease would be a knock-out mouse for RAG-1 and RAG-2 nude mouse recombinant mouse for CD3 knock-out mouse for a thymus TRUE ANSWER : ? YOUR ANSWER : ?
If Class IIMHC is not expressed in the thymus, the resulting immune deficiencies would include all of the following except reduced CD8 T cell-mediated cytotoxicity macrophage activation to vesicular pathogens alternative complement activation. IgG synthesis TRUE ANSWER : ? YOUR ANSWER : ?
Infants are most susceptible to bacterial infection due to low circulating levels of IgG at 3-12 months of age at 12-24 months of age at 0-3 months of age in utero (before birth) TRUE ANSWER : ? YOUR ANSWER : ?
Which of the Rous sarcoma virus has a homologous cellular protein? c-src v-ha-src v-src v-ha-ras TRUE ANSWER : ? YOUR ANSWER : ?
The chemical, typically released by the body in an allergic response is perforins antihistamines allergens histamine TRUE ANSWER : ? YOUR ANSWER : ?
To treat HIV infections using drugs, the major problem is that the virus particles with altered (mutant) proteases arise the drugs interfere with normal digestion the drugs that are good inhibitors cannot by synthesized the drugs are rapidly degraded TRUE ANSWER : ? YOUR ANSWER : ?