Garden beans and many other eudicots have a hooked hypocotyl during germination. Which of the following is true concerning hypocotyls and/or the hypocotyl hook?
A) It is the first structure to emerge from a eudicot seed.
B) It pushes the cotyledons up through the soil.
C) It straightens when exposed to sufficient water.
D) It is stunted in an etiolated seedling.
E) It emerges after the successful establishment of the radicle.
Answer: E
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