I believe the answer is: Nitric oxide
<span>Nitric oxide could be synthesized on demand, because it is considered to be membrane permeant that cannot be stored. Calcium influx through </span><span>The N-methyl-D-aspartate </span>receptor activates nitric oxide synthase (NOS), which synthesizes Nitric oxide from L-arginine which allow it <span> to act as a retrograde messenger from the dendrite to the terminal button. </span>
Answer: b. Graves Protection and Repatriation Act.
The Native American Graves Protection and Repatriation Act is the only one of these acts that did not impact Asian Americans. The act was enacted in November 1990, and it requires institutions that receive federal funding to return Native American items to the descendants of the tribes. This includes human remains, funerary objects and other cultural items. It also establishes procedures for the inadvertent discovery of those items.
It creates the need for natural resources
It created a demand for larger markets in which to sell the surplus slave labor
It created new agricultural techniques that required Europe to find farmable land overseas
Answer:
1.freedom of mass media
2.free campaign
3.freedom of participation of citizen in election