What were the major differences between the Roman Republic and the Roman Empire?

Indeed much of the key expansion of the Roman Empire occurred while it was still a Republic. Rome was an empire long before it was imperial. However, perhaps the key difference that the modern viewer sees between an imperial system and a republic is one of political participation and by extension legitimacy.

Explanation:

1 and 3

explanation:

learned it in 6th

the of atp are the key to its ability to store and supply energy;

phosphate

the phosphate groups of atp are the key to its ability to store and supply energy. atp releases energy when it breaks bonds between its phosphate groups.