The cell membrane functions as a selective barrier. We call these kind of membranes as differentially permeable or semi permeable membrane. It can decide what substances can pass in and out. Therefore it can surround the cytoplasm (which is the inside of a cell) to separate the cell's content from the surroundings.
These ions bind to troponin, which forms a complex with tropomyosin. The process is called <span>Excitation-Contraction Coupling 3.</span>
It includes series of events, beginning with the production of an electrical impulse (action potential)<span> and ending with </span>contraction<span> of </span>muscles <span>in the </span>heart.
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Answer:
the blocks were transported to ice houses
Explanation:
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The main difference between a prokaryotic cell and a eukaryotic cell is the presence of a true nucleus. The correct option in regards to the given question is option "D".
Prokaryotic cells do not have
a proper nucleus while the eukaryotic cells have a proper nucleus. Both the
prokaryotic and the eukaryotic cells have DNA. Chloroplasts are only found in eukaryotic
or plant cells. They are not found in prokaryotic cells. Cell membranes are
present in both prokaryotic and eukaryotic cells.