Biology, 11.07.2019 18:00 blessing5266
The contracting and relaxing of muscle is regulated by the amount of calcium present in the cells of muscle fibers. these cells must be able to move the calcium ions from areas with low concentrations to areas with high concentrations. what process would be necessary for this movement to occur? osmosis active transport passive transport facilitated diffusion
Answers: 2
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Anton created a chart listing different types of materials. which best complete the chart?
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Which zone within the open-ocean zone is home to the most organisms? deep zone surface zone intertidal zone transition zone
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The contracting and relaxing of muscle is regulated by the amount of calcium present in the cells of...
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