Answer:
rotor
Explanation:
The part of the motor being pointed to is called the <em>rotor</em>.
Answer:
The same number of proteins in their nucleus.

Life on Earth is based on carbon, likely because each carbon atom can form bonds with up to four other atoms simultaneously. This quality makes carbon well-suited to form the long chains of molecules that serve as the basis for life as we know it, such as proteins and DNA.
Hope it helps uh ✌️✌️✌️