<span>this is caused by a disease called basal cell carcinoma, because it causes ulcers and is slow to metastasize. Years of exposure to sunlight probably caused his cancer.</span>
Answer:
The Cell Membrane
Explanation:
Eukaryotic Cells are membrane-bounded, Prokaryotic cells are not.
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The medulla oblongata is a primary respiratory control center. It’s main function is to send signals to the muscle that controls respiration to cause breathing to occur. There are two regions in the medulla that control respiration the ventral respiratory group stimulates expiratory movement.