Alkaloids Such as Nicotine Are Relatively _____ for Plants to Produce

Alkaloids such as nicotine are relatively _____ for plants to produce because _____.

A) expensive; alkaloids contain high levels of nitrogen, which is often a growth limiting nutrient
B) expensive; alkaloid synthesis is more energetically expensive than other chemical defenses
C) inexpensive; alkaloids are readily derived from intermediate products of photosynthesis
D) inexpensive; alkaloids are metabolic waste products that are sequestered in the vacuole