Members of this lineage of flatworms are free-living and are found mostly in marine environments
Most acquire food with a muscular pharynx and are hermaphroditic.
a. Trematoda
b. Turbellaria
c. Polychaeta
d. Cestoda
e. Hirudinea
B
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Contact precautions are required for patients with:
A) Clostridium difficile-associated diseases. B) infections caused by multidrug-resistant bacteria. C) viral hemorrhagic fevers. D) all of the above
Two Drosophila are crossed several times, with a total number of offspring of 106 females and 48
males. There is too great a deviation from the expected 1:1 ratio for chance alone to account for the difference. What other factor could account for this difference? What will be an ideal response?
A new antibiotic has been developed. It acts as a noncompetitive inhibitor of an enzyme. How will this antibiotic affect delta G for the reaction that is catalyzed by the enzyme?
A. Delta G will be unaffected B. Delta G will increase C. Delta G will decrease
Soil and dirt are terms can be used interchangeably. Soil is only made up of non-living minerals and weathered rock
A. True B. False