The centrosome: is a region of the chromosome where sister chromatids remain attached. is a region of the chromosome where kinetochores attach. is a region of the chromosome where microtubules attach to chromosomes during mitosis. is the microtubule organizing center for the mitotic spindle. all of these choices are correct.

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.