Which pigment is responsible for the phototropism responses of plants?
A) Ethylene
B) Phytochrome
C) Chlorophyll
D) Auxin
E) Xanthophyll
Correct Answer:
Verified
Q47: Short-day plants flower only if
A) abscisic acid
Q48: _plants bloom only when the duration of
Q49: The phytochrome that is active and absorbs
Q50: Which of the following is TRUE of
Q51: The process of aging is called
A) senescence.
B)
Q53: Plants that flower in the United States
Q54: What caterpillar saliva-based chemical stimulates a corn
Q55: What happens to phytochromes after several days
Q56: Which environmental factor is most significant for
Q57: Some plants under attack by insects can
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