一个蛋白质分子由三条肽链构成，共有366个氨基酸，则这个蛋白

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一个蛋白质分子由三条肽链构成，共有366个氨基酸，则这个蛋白质分子至少含有的氨基和羧基数目分别是

A．366和366

B．365和363

C．363和363

D．3和3

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