Question

defination of nucleus​

Answer 1

Answer:

the central part of an atom or of certain cells

the central part of an atom or of certain cellsपरमाणु या कतिपय कोशिकाओं का केंद्रीय भाग

Answer 2

Answer :

the central and most important part of an object, movement, or group, forming the basis for its activity and growth.