Nicotine acts as a stimulant, because it mimics the effect of :

Correct answer: D. Acetylcholine

  • A. Testosterone
  • B. Dopamine
  • C. Thyroxine
  • D. Acetylcholine

Explanation

Nicotine is the major stimulatory component of tobacco products including cigarettes. Nicotine has a number of effects on the human body similar to acetylcholine. It stimulates the passage of nerve impulses, causes muscles to relax, and causes the release of adrenaline, increasing both blood pressure and heartbeat rate.

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About Biodiversity and Variety of Life

Biological classification uses taxonomic ranks, binomial nomenclature and shared characteristics to organize life into kingdoms. The major groups include prokaryotes, protists, fungi, plants and animals, with comparisons based on cell type, cell wall, nutrition, body organization, reproduction and evolutionary relationships; prokaryotes lack a membrane-bound nucleus.

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