问题
单项选择题
可结合某些药物,使其易溶于水的是
A.清蛋白
B.铜蓝蛋白
C.铁转运蛋白
D.结合珠蛋白
E.α球蛋白
答案
参考答案:A
解析:结合珠蛋白具有很强的与血红蛋白结合的能力,当血管内溶血出现血红蛋白时结合珠蛋白即与之形成牢固复合物,因分子量大,可防止滤过肾小管而丢失;清蛋白能结合多种配体,包括磺胺、青霉素等药物,帮助这些药物溶解于水性的血浆中,对转运药物很有意义。
可结合某些药物,使其易溶于水的是
A.清蛋白
B.铜蓝蛋白
C.铁转运蛋白
D.结合珠蛋白
E.α球蛋白
参考答案:A
解析:结合珠蛋白具有很强的与血红蛋白结合的能力,当血管内溶血出现血红蛋白时结合珠蛋白即与之形成牢固复合物,因分子量大,可防止滤过肾小管而丢失;清蛋白能结合多种配体,包括磺胺、青霉素等药物,帮助这些药物溶解于水性的血浆中,对转运药物很有意义。
完形填空。 | ||||
A good friend of mine, Gabriel, had a tiny farm in a small town. He only had a cow and dreamed about having a(n) 1 farm. He looked at the horizon (地平线) every sunset and once he told his father, "I'd like to have that 2 over there?" His father 3 him to go and talk to the landowner to see 4 they could obtain the land. Gabriel replied, "But we don't have the 5 ." His father said, "Don't worry, go and talk to him." Several years have passed and now Gabriel not only 6 the land but a theme park that 7 several hundred cows, a small zoo, horse ride cabalgatas (马队), four-wheel motors and much more fun of the whole family 8 . A year ago, when the park was already 9 a huge number of tourists, Gabriel's wife Sarah had a dream. "I want to build the 10 cow in the world," she said. They called a friend, Manuel Hernandez, for this 11 . In three days he had plans for the whole project. Then they asked,"How much will it 12 ?" Manuel mentioned a big sum of money. " 13 will loan (借贷) us that quantity of money to build a cow," they thought, but the manager of the bank 14 them and their dreams. Last October, La Manuela, the biggest cow in the world was 15 to the public. It is 9 meters tall and 16 meters long. The cow 16 eats you...and you travel inside the cow learning how grass is changed into 17 . Moral of the story. If you can dream about it and you put all your 18 and foremost desire to make it happen, it will become a(n) 19 despite how difficult or 20 it may sound. | ||||
|