The utricle is especially sensitive to what type of movements?
A. up and down
B. standing upright
C. bending over
D. back and forth
E. spinning around
Answer: D
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Which hormone might be able to counteract the leaf drop caused by leaking street lanterns observed by Dimitry Neljubov?
A. Ethylene. B. Cytokinins. C. Gibberellins. D. Brassinosteroids.
You isolate a plant that expresses a phytochrome mutant that is always in the
Pfr form. You expect these plants will germinate A. not at all. B. regardless of the light conditions. C. later than normal plants. D. similarly to normal plants.
Phototropism is a plant response controlled largely by which color of light?
A. Red. B. Blue. C. Violet. D. Green. E. None of the choices is correct.
If two genes are linked on the same chromosome, then ____
a. they tend to segregate away from one another during meiosis b. the more crossing-over occurs between them c. the less crossing-over occurs between them d. they tend to segregate away from one another during mitosis e. they control the same trait