In order for the scientists to artificially select Drosophila for their number of bristles,
In the laboratory, fruit flies (Drosophila) were artificially selected for the number of bristles on their bodies. One population (R) was selected for low numbers of bristles, a second population (S) for high numbers of bristles.
A. no change was seen; it's much too soon.
B. some slight increase of bristle numbers was already evident.
C. a vast, overlapping range of bristle numbers was seen.
D. a slight increase in bristles in S, a slight decrease in R, with a little overlap in the middle ranges.
E. a huge increase in S, a huge decrease in R, with no overlap whatsoever.
E. a huge increase in S, a huge decrease in R, with no overlap whatsoever.
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Examination and work-up of a culture and interpretation of results by the microbiologist would pertain to which step in the quality assurance process?
a. Preanalytic b. Analytic c. Postanalytic d. Analytic review
If your blood pressure is 140/90, it means
a. the pressure of the relaxed ventricles is 140 and the pressure of the contracted ventricles is 90 b. the pressure in the contracted atria is 140 and the pressure in the contracted ventricles is 90 c. the pressure in the right side of the heart is 140 and the pressure in the left side of the heart is 90 d. the pressure in the right ventricle is 140 and the pressure in the left ventricle is 90 e. the pressure of the contracted ventricles is 140 and the pressure in the relaxed ventricles is 90
Which of the following helminths is known for moving out of the body through the anus, nose, or mouth?
A) Ascaris lumbricoides B) Necator americanu C) Schistosoma haematobium D) Trichinella spiralis E) Enterobius vermicularis
The cleavage of glycogen by glycogen phosphorylase releases _____.
-fructose-1-phosphate -galactose-1-phosphate -cellulose -glucose-1-phosphate -nothing: glycogen phosphorylase cannot cleave glycogen