Copper Goes to Work (image) American Society for Biochemistry and Molecular Biology Share Print E-Mail Caption Mitochondria, the "powerhouses of the cell", need copper to produce energy. Copper enters the mitochondria through a previously identified phosphate transporter. Credit Paul Cobine and Xinyu Zhu, Auburn University Usage Restrictions Use with attribution Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.