A protein is a large, complex macromolecule composed of one or more long chains of amino acids(氨基酸). Present in and vital to every living cell, proteins are essential for the structure, function, and regulation of the body's tissues and organs. Yet, before Frederick Sanger-one of only ...
cholera is still a problem. Each year, millions of people around the world get cholera and many die from it. Fortunately, we now know how to prevent cholera, thanks to the work of John Snow. Moreover, in his use of maps
根据第二段But just one in 70 patients receives a cornea transplant.Furthermore,most of them live in low and middle-income countries in which access to treatments is very limited.(但70名患者中只有1人接受了角膜移植。此外,他们大多数生活在低收入和中等收入国家,这些国家获得治疗的机会非常有限)可知,...
Your primal need for protein: there are things a man just can't live without. Find out why protein is one of themNot specified
carbohydrates" or "high protein" — we are making the same old mistakes about nutrition in a new form. 不管我们是专注于 "低脂肪 "、" 低碳水化合物 " 还是 " 高蛋白 " ,我们在营养方面 都犯了同样的错误可知,作者对蛋白质的态度是批评的,故选 D。 4.[答案] [解析] 1. C.推理判断题.根据...
Though the term protein species had been used earlier in the literature [3, 4], it was not clearly defined and used more in the sense of a protein complex consisting of several subunits [3] or to differentiate between different proteins (e.g. catalase and actin were two different protein ...
2. 根据第五段"It is not a lack of motivation and perseverance(毅力) that is the big problem. Instead, it is unhealthy perfectionism..."(缺乏动力和毅力并不是大问题。相反,这是一种不健康的完美主义)以及A 2007 study found that teens who refused to give up impossible goals showed...the ...
On Saturday or Sunday, it is $ 10 for an adult for one day, or you can get a two-day pass for $15. Kids under age 12 can attend for free and the kid aged13-18 is $5 per day. So mark your calendars, he...
Having been set up for two weeks, the Traditional Chinese Painting club isrecruiting/looking fornew members, whoare enthusiastic about/obsessed withChinese paintings and easy to team up with.【Are you obsessed with/passionate about Chinese paintings?/Are you a big fan of Chinese paintings? Are ...
根据前文“Depression is a condition so co mmon抑郁是一种很常见的情况”。可知此处应填“它可能 会导致严重的后果”。 本题正确答案为:B。 2.答案: E 分析: 细节理解题。根据下文"On the other hand, depression may be closely related to protein另一方面,抑郁症可能 与蛋白质密切相关”。可知此处应...