Which of the following protozoans is mismatched with the disease that it causes?

A. Trypanosoma brucei-sleeping sickness
B. Trichomonas vaginalis-vaginitis and urethritis
C. Giardia lamblia-malaria
D. Entamoeba histolytica-amoebic dysentery


Answer: C

Biology & Microbiology

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Which of the following statements about essential nutrients are true? Essential nutrients _____

I) are necessary for plant growth and reproduction II) are required for a specific structure or metabolic function III) cannot be synthesized by a plant IV) are produced by symbiotic bacteria A) I and IV B) II, III, and IV C) I, II, and III D) I, II, III, and IV

Biology & Microbiology

Which of the following conclusions can be made if two identical insertion sequences are identified in separate locations on a chromosome?

A. The insertion sequence was transferred via simple transposition. B. The insertion sequence was a "cut-and-paste" transposon. C. A mutation occurred during transposition of the insertion sequence. D. The insertion sequence was transferred via replicative transposition.

Biology & Microbiology

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What will be an ideal response?

Biology & Microbiology

What type of protein is PTEN, which is mutated in 50% of prostate cancers?

A) kinase B) phosphatase C) growth factor receptor D) G protein E) ubiquitin ligase

Biology & Microbiology