churn in American English. churnverb [ I/T ] [ I ] The water was churning and the boat was rocking. [ M ] The fish churned up the water when we threw them some food. [ T ] fig. Seeing the car ahead flip over churned his stomach.
Animal cells and plant cells both contain: 1  cell membrane. 2  cytoplasm. 3  nucleus. mitochondria.
Answer by Quirkyquantummechanic. Confidence votes 77.7K. The nucleus of the cell contains much of the DNA of the cell, and it regulates the activities of that cell, whatever those activities are. The nucleus is composed of chemical structures that orchestrate chemical reactions that make the cell function.