Identify the nucleotide built from the below ‘X’ isoalloxazine ring.

answer:
(oxidized flavin)
Identify the missing ‘X’ factor.

answer:
Identify molecule ‘X’.

answer:
Identify the missing ‘X’ factor.

answer:
Identify the nucleotide built from the below ‘X’ isoalloxazine.

answer:
reduced flavin