Q07 The extracellular matrix is a network of: A)proteins and polysaccharides inside the cell that keep organelles in place. B)proteins and polysaccharides outside the cell that play a role in structural support. C)proteins found in the cellular membrane that allow for substances to enter the cell. D)channel proteins found in the cellular membrane that allow for communication.

hi, natural selection of the peppered moth during the industrial revolution in 19th-century england is an example of an outlier in the study of evolution. during this time, pollution from factories filled the forests, coating trees in a layer of soot—turning white trees black

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evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.