Which of the following would be a good choice to accurately measure 1.0ml? (Choose all that apply)
> 50ml serological pipette
> 1.0ml transfer pipette
> P-20 micropipette
> 5ml graduated cylinder
a small beaker
> 1.0ml serological pipette
> P-1000 micropipette
> 1L graduated cylinder
> P-200 micropipette
> 1.0ml transfer pipette
> 5ml graduated cylinder
a small beaker
> 1.0ml serological pipette
> P-1000 micropipette
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Schistosomiasis involves
A. a blood fluke. B. a life cycle stage which continues when eggs from humans enter water and develop into miracidia. C. cercariae which penetrate hair follicles and pass to the blood and then the liver. D. snails which enable development of the parasite into cercaria. E. All of the choices are correct.
If you closed your eyes, you would still be able to write your name on a piece of paper. Which
receptors are most involved with this activity?
a. mechanoreceptors b. chemoreceptors c. photoreceptors d. all of these
Based on industrialization, which region of the United States is most affected by acid rain?
a. northwest b. southwest c. northeast d. southeast e. central plains
A pea plant with red flowers is test crossed; half of the resulting progeny have red flowers, whereas the other half have white flowers. The genotype of the test-crossed parent was
A) RR. B) rr. C) either RR or Rr. D) Rr.