Prokaryotic cells, which include bacteria cells and muscles cells! Hope this helps
<span>Cattle and sheep are exposed to lead and zinc when these poisons are in the grass/soil.
Cattle and sheep graze on the grass, and thus they intake these minerals, such as lead and zinc when they come in contact with grass or earth they may eat along with grass. Thus they are exposed to them via eating.
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This would be the nucleiod region.
Because the gravity of the sun keeps all planets in their orbits :3 hope I helped