[Solved] Compare and contrast cell signalling via receptor serine/threonine kinases and Ras. Similarity: The state of being alike or having attributes in common with something or someone else. Physical Attractiveness: The degree to which a person's physical traits are considered aesthetically pleasing or beautiful. Self-disclosure Skills: Refer to the ability to effectively share one's personal thoughts, feelings, and experiences with others in a transparent manner. Violent Pornographic Movies: Films that depict sexually explicit content alongside acts of violence, often criticized for potential harmful effects on viewers.