Basement membranes are thin, dense sheets of specialized, self- assembled extracellular matrix that surround most animal tissues. The basement membrane is a fibrous matrix composed primarily of glycoproteins, type IV collagen, and laminin that are secreted by the epithelial cells.
Answer:
white for the first one and brown for the secound one
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Answer: Search Results
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Ácido desoxirribonucleico - Wikipedia, la enciclopedia libre
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Answer:
D
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the circulatory absorbs nutrients and carries the chemical to signal through endocrine to control the speed of digestion.