Movement in the Cytoplasm (image) Harvard University Caption Within the cytoplasm, fluctuating forces enhance the intracellular transport of proteins and organelles. Credit Image courtesy of Ming Guo, Harvard SEAS. Usage Restrictions Editorial use only. 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.