The cuticle is a waxy covering over plant surfaces, especially leaves. It is made up mainly of long chain, hydrophobic alcohols and fatty acids which may be linked together as esters. Go back to question 6a or go on to question 6b . Explain what secondary compounds are, and differentiate between the terpenoids, alkaloids and phenolics. Terpenoids, alkaloids and phenolics are major classes of secondary compounds, and they are primarily secondary compounds.
Phenolic compounds contain a six-membered aromatic ring with at least one OH group.
Go back to question 1 or go on to question 2 . Go back to question 6b or go on to question 6c . Go back to question 7c or go back to question 1 or return to the Biology 415 Home Page .