Animation 11.13: Myosin and Actin Cause a Muscle to ContractClick on the above link to access the Interactive eBook. Once you've signed in, scroll to page 327 and watch the video. When you've finished watching the video, come back to the test and answer the following questions:What is the end result of the myosin and actin filaments sliding across each other in a depolarized muscle fiber?
A. muscular contraction
B. muscular atrophy
C. muscular relaxation
D. muscular spasms
Answer: A
You might also like to view...
What kind of intelligence involves an awareness of one's own moods and emotions?
A. Interpersonal B. Sensitivist C. Intrapersonal D. Existential
As a result of treatment in 1946 for a violent psychological disorder, Craig is calm, but he has cognitive deficits, including the inability to plan and coordinate actions. The treatment probably was:
a. electroconvulsive therapy (ECT) b. drug treatment using an SSRI (e.g., Prozac or Zoloft) c. drug treatment using a benzodiazepine (e.g., Xanax) d. a prefrontal lobotomy
The three main areas of the subcortex are the
a. brainstem, cerebellum, and corpus callosum. b. forebrain, brainstem, and the upper parts of the hindbrain. c. brainstem, midbrain, and cerebral cortex. d. brainstem, midbrain, and the lower parts of the forebrain.
Which of these is NOT a weakness of the cross-sectional research design?
a. Cohort effects may confound the results. b. Age effects may be present. c. Development of individual children is not reported. d. It may be difficult to recruit enough children to fill the various age groups.