Which of the following is an example of a secondary metabolite?
A) Tannins produced by oak trees to ward against herbivores
B) The enzyme phosophofructokinase used in glycolysis
C) Hemoglobin used to carry oxygen in the blood
D) Both a and b
E) Both b and c

Question

Quizplus · Accepted Answer

Tannins are a secondary metabolite because they are not directly involved in growth, development, or reproduction, but instead play a protective role in the plant's interactions with its environment.

Which of the Following Is an Example of a Secondary