Cytokinins are related to or derived from which purine base?
A) adenine
B) thymine
C) guanine
D) cytocine
E) uracil
Correct Answer:
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Q2: _ is directional growth responses of plants
Q5: Which of the following statements about phytochrome
Q6: Which of the following statements about gravitropism
Q7: _ are complex carbohydrates that are released
Q9: The elongation of stems is stimulated by
A)auxin
Q9: If temperatures suddenly rise 5 to 10º
Q11: Which of these is not one of
Q12: Red light and phytochrome are involved in
Q12: Mature plants may become _ in dry
Q15: Abscisic acid suppresses growth of buds and
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