Nguyên tố hóa học là tập hợp những nguyên tử có cùng

The nuclear fission process releases neutrons and question 27 options: alpha particles electrons energy beta particles

The biomedical technique in which a part of the brain is destroyed with electric current is known as a. electroconvulsive therapy b. prefrontal lobotomy c. bilateral cingulotomy d. tardive dyskinesia

In which phase of mitosis do the spindle fibers pull the chromosomes apart to opposite sides of the cell ?