糖元(C6H10O5)n是一种相对分子质量比淀粉更大的多糖,主要存在于

糖元(C6H10O5n是一种相对分子质量比淀粉更大的多糖,主要存在于肝脏和肌肉中,所以又叫动物淀粉或肝糖。下列有关糖元的叙述,正确的是(    )

A.糖元与淀粉、纤维素互为同分异构体     B.糖元、淀粉、纤维素属于同系物

C.糖元水解的最终产物为葡萄糖           D.糖元具有还原性,能发生银镜反应

答案

C


解析:

由多糖的组成、结构和性质可推知,糖元的最终水解产物应为葡萄糖。

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