Already answered in pm ;P
Arwin in 1856 proved that all pigeon breeds do originate from the Rock Dove and through a process of regression you can recreate the Rock Dove, the ancestor of all pigeon breeds. Hopefully that helped
Answer:
A.2 moles of NADH for each mole of protein
B.4 moles of NADH for each mole of protein
C.2 moles of NAD+ for each mole of protein
D:4 moles of NAD+ for each mole of protein
The answer is B
Explanation: