Rating Newest Oldest. Best Answer: Sunny Hostin is a Practical Racist. It is politically incorrect within the black community to suggest that Trayvan Martin was responsible for his own death. He ran home to hide the blunts (and any marijuana) he got someone to buy for him at the 7-11.
The main storage site for calcium is the endoplasmic reticulum in muscle cells, specifically known as the sarcoplasmic reticulum. b. Describe the events that must occur in the muscle cell before calcium is released from this organelle.
In muscle cells, it's stored in the sarcoplasmic reticulum. In other tissue cells, it's stored in the smooth endoplasmic reticulum.n skeletal muscle cells, for example, the release of â¦ calcium from the smooth ER triggers muscle contraction.   Source: http://encarta.msn.com/encyclopedia_761587444/Endoplasmic_Reticulum.html.