Answer:
A
Explanation:
Dna is built with a phosphorous backbone
So the problem ask to find the level of structural arrangement that the scientist observed in an enzyme that is arranged in spiral turn that rise upward and are held in place by hydrogen bond and the best answer would be Tertiary. I hope this helps
If an organism can ferment mannitol, an acidic byproduct is formed that will cause the phenol red in the agar to turn yellow. Most pathogenic staphylococci, such as Staphylococcus aureus, will ferment mannitol.
