The human genome contains a family of genes that code for different forms of myosin, which are expressed in different cell types and have somewhat different functions. Where in the sequence of each gene would you expect to see differences among them? a. regulatory region only b. no difference in any part of the gene c. protein-coding region only d. regulatory and protein-coding regions

2. cheryl hears a new song on the radio every day during the week on her commute to work. surprisingly, when the song comes on at a party on saturday night, she knows most of the words without trying. describe the three ways that we use cognition to learn without reinforcement. which type of cognitive learning without reinforcement best explains how cheryl knew the song lyrics? explain your answer.