Endogenous alkaloids have long been thought to be deterrents to herbivores.Which statement about nicotine provides direct support for this conclusion?
A) Nicotine is a fungicide.
B) Nicotine has been shown to prevent the growth of bacterial cultures.
C) Plants engineered to have low nicotine content had more leaf damage from insects than plants having higher nicotine content.
D) Nicotine is an addictive substance in humans.
E) Nicotine is harmful to the tissues of the plant itself.
Correct Answer:
Verified
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