<span>The key points about cell theory are as follows: 1. All living organisms are made up of cells; the organisms may be unicellular or multi cellular. 2. The cell is the basic unit of life. 3. New cells are derived from pre-existing cells. 4. All cells maintain homeostasis. Some new facts have been added to these basic facts; the new facts added include the following: (A). Energy flow occur withing all living cells. (B). Hereditary information derived from DNA is passed from cell to cell. (C). All living cells are made up of the same basic chemical compositions.</span>
The lateral hypothalamus signals an animal to start eating, whereas the <span>ventromedial </span>hypothalamus signals the animal to stop eating. So the correct option is the first one.
