1. Are your rods or cones more important for reading a book? 2. In some people, the bones of the middle ear stiffen with age. This can result in deafness. Why? 3. Suppose you know that the receptor...

1. Are your rods or cones more important for reading a book?

2. In some people, the bones of the middle ear stiffen with age. This can result in deafness. Why?

3. Suppose you know that the receptor for a hormone you are studying is found in the target cell’s cytoplasm. Are you studying a protein hormone or a steroid hormone?