What are the similarities and differences between the reactions that lead to the activation of trimeric g proteins (g protein-coupled receptor signaling pathway) and those that lead to the activation of ras (enzyme-coupled receptor signaling pathway)?

~~16. while watching a special on animals, brianna discovers that hares tend to lose heat through their ears. based on this and what is known about surface-to-volume ratios, propose an explanation as to why hares that live in hot climates (such as the desert) have large, extended ears

What are the seven economic and social goals?

Which of the following describes a difference when gram-positive bacteria are compared to gram-negative bacteria?