Myosin attaches to actin strands, bends, detaches, and then reattaches to the actin farther down the strand. These actions __________ the muscle fibers.

Kim just received an A on her term paper, which she believes she got because she is a very bright student and worked hard. If Julian Rotter described Kim, which of the following would you find in his description?

a) "has an internal locus of control" b) "has an external locus of control" c) "tends to be a low sensation seeker" d) "tends to be a high sensation seeker"

Evaluators, using the componential approach, have found that Maisie is exceptionally intelligent. Which of the following statements best describes how they would explain her high level of intelligence?

A) The role of culture and schooling are primary factors in Maisie's intellectual development. B) Neurological evidence is only slightly correlated to Maisie's intelligence. C) Maisie's high level of intelligence is entirely due to causes within her. D) Maisie is highly unusual, and evaluators are at a loss to explain why.