Which of the following occurs during prophase? A. the chromosomes line up in the center of the cell
B. the sister chromatids separate

C. two new identical nuclei are formed

D. the nucleolus disappears and the nuclear membrane breaks down

A. the chromosomes line up in the center of the cell

Explanation:

the ecg findings of an acute anterior myocardial infarction wall include: st segment elevation in the anterior leads (v3 and v4) at the j point and sometimes in the septal or lateral leads, depending on the extent of the mi. this st segment elevation is concave downward and frequently overwhelms the t wave.

explanation: