Biology, 21.02.2020 21:25 SavyBreyer
Which of the following describes tight junctions? a. junctions among epithelial cells lining the digestive tract b. junctions within electrically excitable tissues, such as the heart and smooth muscle cell c. junctions in areas that are subjected to great mechanical stress, such as the skin and heart muscles d. junctions where cells are held together by cadherins
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Why are scientists concerned about the depletion of the ozone levels in the stratosphere?
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Which of the following describes tight junctions? a. junctions among epithelial cells lining the dig...
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