Answer: The cell membrane represents several types of different molecules.
Explanation:
Its basic function is to separate the intracellular part from the extracellular parts. Biological membranes are globally built on the same principle and consist of lipids, proteins, glycolipids, and glycoproteins. Two layers of lipids form the structural matrix of the membrane. Membrane proteins are key to membrane function. The composition also includes sugars that do not come independently but are covalently bound to membrane proteins or lipids.
Paper
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tissues
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Answer:
He unified the Greek city-states through conquest and compromise.
Explanation:
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Answer:
Before the industrial revolution, people didn't need clocks; they worked from sunrise to sunset. After the revolution they needed clock to keep up with there work schedule. Most Americans lived in the country,farming. After the revolution most Americans lived in the city's.
Explanation:
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Answer:
Panama Canal
Explanation: When the canal was created ships could go from the atlantic to the Pacific without having to go around a long detour
