Knowledge of the ocean can come from all except:
a. robotics.
b. ocean law.
c. deep submersibles.
d. SCUBA studies.
e. computers and new technologies.
B
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A patient was suspected of having a rickettsial infection after hiking in the Rocky Mountains. A Weil-Felix test was performed, which resulted in no agglutination observed. Which one of the following statements explains this discrepancy?
a. Detection of rickettsial infections using strains of Proteus is not as specific as other serologic tests; therefore the infec-tions should be retested with a newer me-thod. b. The Weil-Felix test is not the appropriate test to order; it cannot detect cross-reacting antibodies. c. Rickettsial antibodies should be tested using the fluorescent treponemal antibody absorption (FTA-ABS) test, not the Weil-Felix test. d. No discrepancy is present. Rickettsial an-tibodies do not agglutinate with Proteus antigens.
Mycobacterium leprae has a generation time of
A. 20 minutes. B. 1 hour. C. 6 hours. D. 12 days.
The presence of branched membrane lipids with ether linkages is a characteristic of ____
a. Archaea only b. Bacteria only c. both Archaea and Bacteria d. of neither Archaea nor Bacteria e. Archaea, Bacteria and Eukarya
Suppose a young boy is always tired and fatigued, suffering from a metabolic disease. Which of the following organelles is most likely involved in this disease?
A) lysosomes B) Golgi apparatus C) ribosomes D) mitochondria