In roots,where it is concentrated,auxin causes plant cells to _______.
A) mature
B) elongate less than other cells
C) shorten
D) grow toward light
E) grow away from gravity
Correct Answer:
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Q84: High levels of _ promote seed dormancy.
A)
Q85: In plants,the aging process (including ripening)is regulated
Q86: Low levels of _ promote seed dormancy.
A)
Q87: Low levels of _ promote germination.
A) auxin
B)
Q88: Gravitropism is assisted by a hormone in
Q90: When a plant stem is lying on
Q91: High levels of _ promote germination.
A) auxin
B)
Q92: Vines can curl around trellises because auxin
Q93: Except in roots,where it is concentrated,auxin causes
Q94: Auxin is _.
A) a plant hormone
B) a
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