Which organism is widespread in tropical Africa and related to the organisms that cause tuberculosis and leprosy?
a) Pseudomonas aeruginosa
b) Staphylococcus aureus
c) Streptococcus pyogenes
d) Mycobacterium ulcerans
Answer: d) Mycobacterium ulcerans
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The famous Miller-Urey experiments provided crucial support for the ____ hypothesis
a. endosymbiosis b. Oparin-Haldane c. RNA World d. Dickerson oxidizing atmosphere e. hydrothermal vent
Which characteristic is associated with eudicots?
a. a single cotyledon b. three-fold flower symmetry c. trisulcate pollen d. scattered vascular tissue
An increase in the production of ADH affects the kidney tubules by
A. causing the walls of the collecting duct to become more permeable to water. B. decreasing the permeability of the glomerulus to water. C. inhibiting reabsorption of sodium ion in the collecting duct. D. inhibiting the reabsorption of water in the glomerulus. E. decreasing the insertion of aquaporins into the membranes of cells that line the collecting ducts.
If you were working with a patient and were told urine was blocked at the last step before exiting the body, you would try to find a technique or drug to unblock the
What will be an ideal response?