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True or False 47. _____ People with hereditary retinoblastoma are born with two defective Rbgenes. 48....

True or False

47. _____ People with hereditary retinoblastoma are born with two defective Rbgenes.

48. _____ Tight junctions are composed of claudin and occludin proteins.

49. _____ Gap junctions are composed of connexin proteins.

50. _____ The tumor microenvironment consists of endothelial cells, fibroblasts, and extracellular matrix, among other things.

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