Various strains of  this virus cause a disease known as the “common cold”.

Which of the following antibody types can trigger allergic reactions by causing mast cells to degranulate?

The            class of antibody is produced first during an immune response.  Because it has 10 antigen binding sites is especially good at agglutinating pathogens.

                , endemic to Africa and Asia and transmitted by the Aedes mosquito, now causes disease in Southern Europe most likely due to climate change.  Its chief symptoms include fever, headache, and severe arthralgia (joint pain) which can last for months to years after other symptoms are gone.

                 is carried by sandflies, and causes a disfiguring skin disease.  This pathogen can also cause the disease kala azar, which affects the viscera (organs of the abdominal cavity).

Phagocytes target pathogens

Which of the following techniques would produce a distinctive pattern of DNA fragments that could be used to identify a person suspected of having committed a crime?

Which of the following routinely makes use of fluorescently-labeled nucleotides?

Immunity that is mediated by TK/CTL cells is called:

Which of the following vaccine types is commonly given with an adjuvant? a.  a toxoid vaccine b.  an attenuated (“live”) vaccine c.  an inactivated (“killed”) vaccine