Which of the following statements about focal adhesions is true?
a. they anchor cells to the substratum.
b. they can be rapidly disassembled upon a changing environment.
c. they may act as a type of sensory structure leading to cell growth.
d. all of these answers are correct.

50 ! kate is 14 years old and just started taking dance classes with her friends at a local dance studio. this is her first time in a dance program, so everything is new to her. her friends convinced her to join the class since they have been enjoying it for a few months. how could the following terms her succeed in the dance class? ● secondary reinforcement ● identity vs. role confusion ● observational learning how could the following terms hinder her success in the class? ● circadian rhythm ● basal ganglia ● vestibular sense