You measure levels of Ca2+ in various locations within a motor neuron and a skeletal muscle fiber when the motor neuron is NOT depolarized, and the muscle fiber is at rest. Where do you expect to find high levels of Ca2+?
A) bound to troponin
B) within the sarcoplasmic reticulum of the muscle fiber
C) diffusing into the motor neuron through specialized channels in the plasma membrane
D) binding to the receptors at the motor endplate of the muscle cell
E) within the T-tubules

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.

in the year 2850, humans successfully colonized mars. the martian modules that were constructed could hold only a small population of people. it is now a century later, and the population on mars has grown to 600 people. of the current mars population, 45 people express the recessive phenotype for phenylketon- uria (pku) syndrome (pp genotype).

explanation:

im not intirely sure but i think the anwser is d relative humidity