Purines are two ringed structures
pyrimidines are single ringed structures
Answer:
I think it would be sickle-cell trait because sickle-cell anemia is where your red blood cells are shaped in a creasent shape instead of a round shape. So this will cause clotting. I am not so sure about this question, but I think I would go with sickle-cell trait.
Explanation:
A waxy luster gives minerals a shiny appearance.
Please give brainliest
I hope this helps
I believe the answer to your question is is B
