Looking at the figure above, could you come up with an alternative hypothesis to the one proposed by Fry and his colleagues? Why or why not? If so, what would your alternative hypothesis be?
What will be an ideal response?
ANS:
Will vary, but could propose that Viperidae lost the 3FTX toxin rather than underwent independent evolution of the advanced venom delivery. This in fact would be a very plausible alternative hypothesis as independent evolution of such a complex trait would not be as expected as loss of the trait like the 3FTX toxin.
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You wish to test the same unknown food for the presence of sugars. Describe how you would do so
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For animals and other organisms consuming food, the molecular reactants to cellular respiration is/are
A. glucose and oxygen. B. entropy. C. carbon dioxide and water. D. glucose and carbon dioxide. E. digestive enzymes.
In humans, the fluid immediately surrounding the embryo functions to
a. nourish the embryo. b. isulate the embyo. c. remove waste products. d. house the yolk sac. e. produce hCG.
Describe the chromosomal conformations of ?X174 and polyoma viruses
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