Which size rings of carbon atoms are especially abundant in nature?
A) 3 and 4 carbon atom rings
B) 4 and 5 carbon atom rings
C) 5 and 6 carbon atom rings
D) 6 and 7 carbon atom rings

Question

Quizplus · Accepted Answer

Five-membered (5 carbon atom) rings called pyrroles and six-membered (6 carbon atom) rings called pyridines are especially abundant in nature. They are both found in many important biological molecules such as vitamins, amino acids, and nucleotides.

Which Size Rings of Carbon Atoms Are Especially Abundant in Nature