问题
单项选择题
胰岛素的生理作用是
A．抑制蛋白质的合成，促进其分解
B．抑制脂肪的合成，促进其分解
C．抑制肝糖原的合成
D．促进糖原分解和异生
E．促进全身组织对葡萄糖的利用
答案
参考答案：E
解析：胰岛素可促进机体组织对葡萄糖的摄取和氧化利用，促进肝糖原和肌糖原合成，抑制肝糖原分解和糖异生，促进脂肪和蛋白质的合成而抑制其分解。
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胰岛素的生理作用是
A．抑制蛋白质的合成，促进其分解
B．抑制脂肪的合成，促进其分解
C．抑制肝糖原的合成
D．促进糖原分解和异生
E．促进全身组织对葡萄糖的利用
参考答案：E
解析：胰岛素可促进机体组织对葡萄糖的摄取和氧化利用，促进肝糖原和肌糖原合成，抑制肝糖原分解和糖异生，促进脂肪和蛋白质的合成而抑制其分解。
My friend Tom came across an accident when driving in darkness. His legs were so hurt that he couldn’t move. What was was that he found himself unable to ask for help—his mobile phone went out of as a result of exhausted battery. Nothing could be done but in the cold wilderness. It was 8 hours later that day broke and then the of the rescue team. It is almost that he could stand the horror in the darkness for so long. Even more surprising was his . “First of all I checked my conditions and found myself not in danger. As there was no to call for help, I leaned（斜靠）back in my seat trying my best to keep the wound from . In this way I dozed（打盹）off.” His story put an end to my regret for the of an exploration that happened last year. A group of young men to explore a mountain cave and got lost. to find a way out in the dark cave they were frightened and ran anxiously without a sense of . Finally, they fell dead in fear and exhaustion. According to the team that found them, the place where they got lost was only about 10 meters away from the of the cave. If they stayed on the spot when they lost their way and tried to themselves, they would probably have sensed a faint light glowing(发出) not far away. Don’t you think that you can compare it with itself? When you meet with difficulties in life, you are lost in darkness. Focus that it’s unclear to you yet and you needn’t put up struggle . It seems to be a negative attitude, a person who can do so must have foresight as well as a great in the first place.
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