Biochemistry Isomer differences of position of -H and -OH at 2″, 3′, and 4′ carbon atom of glucose are called? A Optical isomers B Epimers C Anomers D D,L isomers 💡 Explanation Isomer differences of position of -H and -OH at 2", 3', and 4' carbon atom of glucose are called? ✓ Correct Answer: B. Epimers