Which is a product of nuclear fusion? a nucleus that has a greater mass number than the starting materials
two nuclei that are roughly half the mass of the starting materials
a nucleus that has the same atomic number as the starting materials
two nuclei that have greater atomic numbers than the starting materials

The Answer is: A

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later

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