<span>Vitalism is a belief that there is difference between living and noliving things. Living things are governed by different principles which are not applicable for nonliving things. The scientist now reject the vitalism since it lack scientific proof. It is considered only as spiritual. modern scientist believe life originated from non living things in the course of time.</span>
The most likely would be meat contamination because when you eat it it could affect you digestive system.
Answer:
D. Each receptor triggers one particular type of cell behavior, for example, activating gene expression.
Explanation:
- Each extracellular signal molecule can induce different responses depending on the target cell.
- Lipophilic receptors diffuse or carried across the cell's plasma membrane and bind to an intracellular receptor. For example steroid hormones are transported via carrier proteins.
- Some signalling molecules only induce response from specific cells.
- A single receptor can be activated by different signal molecules.
