A group of compounds containing four monopyrrole rings connected by methane bridges is the:

Question

Quizplus · Accepted Answer

Porphyrins are the compounds containing four monopyrrole rings connected by methane bridges. Porphyrins are essential molecules found in heme, chlorophyll and cytochromes. Porphyrins are involved in many biological processes, including oxygen transport, electron transfer, and photosynthesis. Therefore, choice A, porphyrins, is the best answer. Choice B, porphyrias, refers to a group of genetic disorders that affect heme biosynthesis, but it is not a correct answer to the question as it is not referring to the specific group of compounds. Choice C, porphobilinogens, and choice D, heme precursors, are related to porphyrins, but they do not specifically refer to the four monopyrrole rings connected by methane bridges. Therefore, they are not correct answers to the question.

A Group of Compounds Containing Four Monopyrrole Rings Connected by Methane