Untreated syphilis may persist in a latent state for (months/years/decades) before manifesting as tertiary syphilis.
Fill in the blank(s) with the appropriate word(s).
decades
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The symptoms of fetal alcohol syndrome include
A) impaired intellect. B) an extra nipple. C) accelerated growth. D) webbing between the toes.
Rosalind Franklin used which techniques to
determine many of the physical characteristics of DNA?
a. scanning electron microscopy b. transmission electron microscopy c. recombinant DNA techniques d. X-ray crystallography e. DNA profiling
A portion of the ____, which must monitor the blood, is not subject to the blood brain barrier
Fill in the blank(s) with the appropriate word(s).
The presence of the loop of Henle allows which animals to reabsorb water and produce a hypertonic urine?
A. birds B. birds and reptiles C. freshwater fish and mammals D. birds and mammals E. mammals F. marine fish