Human asymptomatic carriers are common in

A) Balantidiasis
B) Amebiasis and trichomoniasis
C) Elephantiasis
D) Cryptosporidiosis and malaria
E) Trypanosomias


B) Amebiasis and trichomoniasis

Biology & Microbiology

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Discuss three findings that support the theory of primary endosymbiosis

What will be an ideal response?

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Elephants are killed for their tusks and rhinos for their horns. This is an example of __________ for traditional

medicine and ornaments. Fill in the blank(s) with the appropriate word(s).

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The outermost layer of the stele is the pericycle. Indicate whether the statement is true or false

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Which statement about chemoreceptors is NOT true?

A. Chemoreceptors are thought to be the most primitive sensory receptor to have developed in animals. B. Chemoreceptors are universally found in animals. C. Chemoreceptors are found all over the body surface in humans. D. Chemoreceptors are concentrated on the auricles of the head in planaria. E. Chemoreceptors are found on antennae and mouthparts in insects and other arthropods.

Biology & Microbiology