Which statement about cytokinins is not true?
A) They promote cell division in tissue cultures.
B) They delay the senescence of leaves.
C) They usually promote the elongation of stems.
D) They act by a receptor with protein kinase activity.
E) They were discovered as a breakdown product of DNA.
Correct Answer:
Verified
Q1: Before seed germination can begin,
A) seed dormancy
Q2: Which of the following does not aid
Q3: Which process is not directly affected by
Q4: Which of the following does not increase
Q5: The gibberellins
A) are responsible for phototropism and
Q7: To mobilize its nutrient reserves, a germinating
Q8: In coleoptile tissue, auxin
A) is transported from
Q9: Phytochrome
A) is the only photoreceptor pigment in
Q10: Which of the following does not occur
Q184: Signal transduction for both auxin and gibberellins
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