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.
The nucleus controls everything that happens in the cell. This means that it controls the chemical reactions that take place in both and animal and plant cells. Some organelles in the cell have their own job like mitochondria control the respiratory (for example).
2. The main function of the cytoplasm is to hold the cell organelles of the cell. Cell organelles are basically components of the cell which control all the activities of the cell. For example, mitochondria are cell organelles which control almost all of the cell's metabolic activities.. The main function of the cytoplasm is to hold the cell organelles of the cell. Cell organelles are basically components of the cell which control all the activities of the cell. For example, mitochondria are cell organelles which control almost all of the cell's metabolic activities.