Among the following lineages, which has the largest number of Hox genes when all Hox gene clusters
are taken into account?
a. cnidarians
b. cephalochordates
c. vertebrates
d. arthropods
e. eurochordates
C
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Which of the following describes secondary growth?
A) growth in height B) development of leaves and flowers C) growth of herbaceous tissue D) development of wood and bark E) development of fruit
True or False: rubisco can function as either a carboxylase or an oxygenase
A. true B. false
What would the result be if histamine and nitric oxide were NOT secreted during a puncture injury?
A. The blood vessels would dilate. B. The blood vessels would be more permeable. C. The blood mast cells would constrict. D. Healing would be slower. E. Healing would not take place at all.
Explain how abscisic acid promotes the closure of stomates. Identify the molecules involved at each step.
A. ________B. ________C. ________D. ________
What will be an ideal response?