Delayed hypersensitivity is ____ mediated.

A. humoral
B. antibody
C. cell


Answer: C. cell

Biology & Microbiology

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What would be the valence number of electrons in the sulfur (S) atom? Its atomic number is 16.

A. 6 B. 8 C. 2 D. 32 E. 16

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Identify the mismatch in the following list of helminths and their common names.

A. Opisthorchis sinensis; liver fluke B. Trichuris trichiura; whipworm C. Ascaris lumbricoides; intestinal roundworm D. Taenia solium; pinworm E. Schistosoma mansoni; blood fluke

Biology & Microbiology

The only protists that have 2 types of nuclei in each cell are

a. Archaeplastida. b. Dinoflagellates. c. Ciliates. d. Excavates. e. Amoebozoans.

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Herpes simplex-1

A. is exclusive to oral mucosa. B. is cleared by praziquantel. C. confers immunity to herpes simplex 2. D. is exclusive to genitourinary tract. E. None of the choices is correct.

Biology & Microbiology