A. Nicotine
B. Piperine
C. Cocaine
D. All of these
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A. Nicotine
B. Piperine
C. Cocaine
D. All of these
Answer: D. All of these The following nicotine, piperine and caffeine are an alkaloid.
Answer: D. All of these
See lessThe following nicotine, piperine and caffeine are an alkaloid.