Answer:
sugar
Explanation:
sugar is the required macromolecule
Answer:
Mitochondria are thought to have evolved from free-living bacteria that developed into a symbiotic relationship with a prokaryotic cell, providing it energy in return for a safe place to live.
Explanation:
protons, neutrons and electrons
Answer:
The answer should be 
Since the pedigree has two different letters, it will have one letter of each, but the DNA will still be A.