In humans<span>, </span>each cell<span> normally contains 23 pairs of </span>chromosomes<span>, for a total of 46.
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Channel protein is important because it is embedded in the membrane and it also covers the membrane. This is important because the channel must transport the micromolecules and ions in and out of the cell. Carrier proteins are important because the carrier must transport the molecule in and out of the cell.
I believe this difference in concentration of dissolved Particles from one location to another is called a concentration gradient.
<span>Specialized cells protect the human body from disease-causing microbes by producing chemicals that destroy the microbes. </span>
