The effect of directional growth shown in the

above figure is known to be caused by
a. thigmotropism.
b. gravitropism.
c. abscisic acid.
d. salicylic acid.
e. all of these.


B

Biology & Microbiology

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Each "word" in the mRNA code consists of how many letters?

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Answer the following statement true (T) or false (F)

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