Correct, it is a start of a experiment, something that is asked first.
Hello!
An amino acid has five basic parts. An amino group, a carboxyl group, a central carbon atom, a hydrogen, and a R group.
The r group is the side chain specific to each amino acid. The r group varies between each kind of amino acid, while everything else stays the same. Therefore, the r group decides the identity of the amino acid.
Hope this helps! Let me know if you need a more specific explanation.
Explanation:
Speed is the rate of an object moving along a path, whereas velocity is the direction of motion
Electricity is the flow of electric charge