)in epithelial tissue, the portion of the plasma membrane facing the lumen is called the membrane. the portion of the plasma membrane facing the connective tissue/interstitial fluid is called the membrane.

Hello there

the answer is tight junctions

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the cell theory states that all living things including animals, as well as plants, are made of cells.

the cells uses some of the atoms of the glucose molecules to atp molecules. the atoms of the glucose molecules will then be converted into energy which will be eventually stored in atp. the energy produced which are stored in atp are coming from the glucose’s chemical bonds.