When the body produces its own antibodies.

a. passive immunity
b. active immunity
c. immunity
d. immunological immunity


Ans: b. active immunity

Biology & Microbiology

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When a membrane is freeze-fractured, the bilayer splits down the middle between the two layers of phospholipids. In an electron micrograph of a freeze-fractured membrane, the bumps seen on the fractured surface of the membrane are _____

A) peripheral proteins B) phospholipids C) carbohydrates D) integral proteins E) cholesterol molecules

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In general, communities that characterize a

biome are arrays of species that are adapted to a. specific temperatures. b. patterns of rainfall. c. soil type. d. each other. e. all of these

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Immature forms of insects generally specialize in

a. eating and growing fast. b. reproduction. c. caring for the adults. d. dispersal. e. flying.

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The malarial parasite, Plasmodium, belongs to which group?

A. water molds B. plasmodial slime molds C. sporozoans D. amoeba

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