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
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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
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.
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What will be an ideal response?
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