After being bitten by an infected tick, transfer of the rickettsial organism occurs
A. immediately.
B. within 5 minutes.
C. within 20 minutes.
D. within 4-10 hours
D.
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Long-period comets are believed to originate in the ____________
Fill in the blank(s) with correct word
In protostomes, into what does the blastopore develop?
a. mouth b. coelom c. anus d. germ layer
Water is capable of rising to the tops of the tallest trees due to the:
a. chemical bonds of water molecules. b. push of gravity. c. adhesion of water molecules to each other. d. push of ground water. e. pull of transpiration
During the spring calving season, a ranch hand begins to run a fever and feel nauseous and achy. After he develops a headache and vomiting, he goes to a clinic. A microscopic exam of a urine sample reveals long thin microbes which move very rapidly in a
corkscrewing pattern. The man may have contracted A) lymphogranuloma venereum. B) glomerulonephritis. C) leptospirosis. D) staphylococcal toxic shock syndrome. E) trichomoniasis.