Which of the following is a structure adapted for seed dispersal by animals?
a. light, feathery plumes
b. thick, indigestible seed coats
c. air spaces and cork
d. turgor pressure within fruits
e. winged fruits
B
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In the clinical laboratory, which of the following is (are) used as a rapid method of identification?
A. Mechanized/automated systems B. Immunologic systems C. Manual biochemical kit systems D. All of the choices are correct.
The Aniridia gene in humans is involved in eye formation. Although eye development is very different in flies, this gene is highly conserved. What is the Drosophila homolog of Aniridia?
A) eyeless B) Pax-6 C) noeye D) ommatidia
While working in the lab, you observe that the only problem within a group of cells is that the cholesterol, lipid, and estrogen production rates have begun to decline. Which organelle would most likely be damaged?
The spreading of cancer cells, wound healing, and blood clotting all rely on the same type of cell movement called
A. crawling. B. swimming. C. waving. D. whipping.