Leaflike outgrowths at the base of the leaf stalk are referred to as:
a. axils.
b. blades.
c. lamina.
d. petioles.
e. stipules.
E
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Knowing an individual's DNA sequence may be beneficial because:
A. it makes it possible to predict susceptibility to disease. B. it makes it possible to predict response to medications. C. it makes it possible to predict physical differences. D. it makes it possible to predict the occurrence of a disease. E. All of the answer options are correct.
Most complex quantitative traits
A) are affected by both genetic and environmental factors. B) usually do not result in continuous phenotypes. C) are not usually affected by environmental conditions. D) usually result in one or two phenotypic values such as red or white eye color in Drosophila.
Select the mismatched pair of Phylum Mollusca classes and their examples.
A. Cephalopoda-nautilus B. Bivalvia-snails C. Polyplacophora-chitons D. Gastropoda-slugs E. Gastropoda-nudibranchs
Which vaccine-preventable disease caused by an RNA virus has been nearly eradicated?
A. measles B. influenza C. hantavirus D. polio E. rotavirus