What is the major defense mechanism(s) employed against virus infections?

A. Allergies
B. Antibody-mediated immunity
C. Autoimmunity
D. Cell-mediated immunity
E. Phagocytosis


Ans: D. Cell-mediated immunity

Biology & Microbiology

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The oxygen transporting pigment found in the system depicted in Figure 44-1 is most likely:a

hemoglobin. b. hemolymph. c. hemocyanin. d. globulin. e. erythropoietin

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When the diaphragm is relaxed, it allows air to leave the lungs including the residuals volume.

a. true b. false

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If Argus fell into the waters around Labrador (temperature 1°C, or 34°F), what reaction is most likely to happen?

A) increased blood flow to hands B) sweating C) dilation of the blood vessels of the dermis D) piloerection

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What personal characteristics and events in Gregor Mendel's life significantly contributed to his ultimate contribution to the study of inheritance?

A. His training in physics and mathematics at the University of Vienna. B. He failed his natural history exam. C. He got a job as a substitute teacher and enjoyed it. D. He failed his physics exam. E. He got his teaching license at the age of 21.

Biology & Microbiology