True or false. myofibrils are the repeating units, aligned end to end, which make up muscle fibers?

Explain why process 2 is so important to sexual reproduction identify processes 1 and 3 state one difference between the cells produced by process 1 and cells produced by process 3

The chemical form of energy that is useable by the cell to do work

Common symptoms of an iron-defiency anemia include muscle weakness shortness of breath and lightheadedness why does iron deficiency causes these symptoms