DNA.
DNA has a phosphate and deoxyribose sugar backbone.
Answer: The answer for "Which chemical bond most likely stores the most energy?" is C. Double carbon-carbon bond.
Hopefully this helps! :)
Its is to remove liquid waste from the blood in the form of urine, and keep a stable balance of salts and other substances in the blood and produce erythropoietin, hormone that is the formation of ref blood cells. The kidney remove ursa from the blood through this filtering units called nephrons
I believe the answer is a mutation.