蛋白質(zhì)的知識(shí)點(diǎn)默寫

1、蛋白質(zhì)默寫1.蛋白質(zhì)的組成元素：。2.蛋白質(zhì)的基本組成單位：。寫出氨基酸的結(jié)構(gòu)通式：從通式中可以看出每個(gè)氨基酸至少含有一個(gè)_ 和一個(gè)_并且它們連接在同一個(gè)_原子上。通式中_基在不同的氨基酸中不一樣。組成蛋白質(zhì)的氨基酸有種。寫出氨基的結(jié)構(gòu)，羧基的結(jié)構(gòu)，肽鍵的結(jié)構(gòu)_ 。3.氨基酸通過(guò)反應(yīng)形成多肽，脫去的H2O中H來(lái)自，O 來(lái)自。4. 若一個(gè)蛋白質(zhì)分子含有m個(gè)氨基酸，n 條肽鏈，則其中有肽鍵_個(gè)，脫水?dāng)?shù)為，此蛋白質(zhì)至少含有個(gè)氨基，至少含有個(gè)羧基，若氨基酸的平均分子量為a 此蛋白質(zhì)的分子量為。5.蛋白質(zhì)結(jié)構(gòu)多樣性的原因：組成蛋白質(zhì)的氨基酸組成蛋白的肽鏈6. 蛋白質(zhì)的功能（ 1）構(gòu)成細(xì)胞和生物體的重要物

2、質(zhì)：如細(xì)胞膜、染色體、肌肉中的蛋白質(zhì)；（ 2）有些蛋白質(zhì)有作用：如各種酶；（ 3）有些蛋白質(zhì)有作用：如肌肉中的一些蛋白質(zhì)；（ 4）有些蛋白質(zhì)有作用：如血紅蛋白、載體蛋白、脂蛋白等；（ 5）有些蛋白質(zhì)有作用：如胰島素、生長(zhǎng)激素等；（ 6）有些蛋白質(zhì)有作用：如抗體。7.蛋白質(zhì)的鑒定蛋白質(zhì)可與試劑反應(yīng)生成顏色，此試劑的使用方法：。8.下圖為某一多肽的結(jié)構(gòu)圖請(qǐng)據(jù)圖回答：（ 1）該化合物中，表示 _， 表示 _ ，表示 _。（ 2）該化合物有氨基 _個(gè)，有羧基 _個(gè)。該化合物的名稱是 _。（ 3）該化合物是由 _個(gè)氨基酸脫去 _分子水形成的，這樣的反應(yīng)叫 _。該化合物的名稱叫 _。（ 4）如果氨基酸的平

3、均分子質(zhì)量是128，那么該化合物的相對(duì)分子質(zhì)量是_。贈(zèng)送以下資料英語(yǔ)萬(wàn)能作文 (模板型）Along with the advance of the society more and more problems are brought toour attention, one of which is that.隨著社會(huì)的不斷發(fā)展，出現(xiàn)了越來(lái)越多的問(wèn)題，其中之一便是_。As to whether it is a blessing or a curse, however, people take different attitudes.然而，對(duì)于此類問(wèn)題，人們持不同的看法。 (Hold differ

4、ent attitudes 持不同的看 ;Come up with different attitudes 有不同的看法 )As society develops, people are attaching much importance to.隨著社會(huì)的發(fā)展，人們開(kāi)始關(guān)注.People are attaching more and more importance to the interview during job hunting求職的過(guò)程中，人們慢慢意識(shí)到面試的重要性。As to whether it is worthwhile ., there is a long-running co

5、ntroversialdebate. It is quite natural that people from different backgrounds may have divergent attitudes towards it.關(guān)于是否值得 _的問(wèn)題，一直以來(lái)爭(zhēng)論不休。當(dāng)然，不同的人對(duì)此可能持不同的觀點(diǎn)。In the process of modern urban development, we often find ourselves in adilemma.在都市的發(fā)展中，我們往往會(huì)陷入困境。Recently the phenomenon has aroused wide conc

6、ern, some people are inalarm that.最近，這種現(xiàn)象引起了人們的廣泛關(guān)注，有人開(kāi)始擔(dān)心_。The human race has entered a completely new stage in its history, with theincreasingly rapid economic globalization and urbanization, more problems arebrought to our attention.人類進(jìn)入了一個(gè)歷史的嶄新的階段，經(jīng)濟(jì)全球化、都市化的速度不斷加快，隨之給我們帶來(lái)了很多問(wèn)題。. plays such an im

7、portant role that it undeniably becomes the biggestconcern of the present world, there comes a question, is it a blessing or a curse?"_顯得非常重要而成為當(dāng)今世界所關(guān)注的最大的問(wèn)題，這是無(wú)可厚非的。不過(guò)，問(wèn)題是："我們?cè)撊绾尉駬??"Now we are entering a new era, full of opportunities and challenges,現(xiàn)在我們正在進(jìn)入一個(gè)充滿機(jī)會(huì)和挑戰(zhàn)的新時(shí)代。People from

8、 different backgrounds would put different interpretations on the same case.不同行業(yè)的人對(duì)同一種問(wèn)題的解釋不盡相同。The controversial issue is often brought into public focus. People from different backgrounds hold different attitudes towards the issue.這中極具爭(zhēng)議性的話題往往很受社會(huì)的關(guān)注。不同的人對(duì)此問(wèn)題的看法也不盡相同。When asked ., some people thin

9、k. while some prefer.說(shuō)到 _，有人認(rèn)為 _，而另一些人則認(rèn)為 _。Just as the saying goes: "so many people, so many minds". It is quite understandable that views on this issue vary from person to person.俗話說(shuō)， ""。不同的人對(duì)此有不同的看法是可以理解的。To this issue, different people come up with various attitudes.對(duì)于這個(gè)問(wèn)題，不同

10、的人持不同的觀點(diǎn)。There is a good side and a bad side to everything, it goes without sayingthat.萬(wàn)事萬(wàn)物都有其兩面性，所以，勿庸置疑，_。When it comes to ., most people believe that ., but other peopleregard .as .提到 _問(wèn)題，很多人認(rèn)為_(kāi)，不過(guò)，一些人則認(rèn)為_(kāi)是_.When faced with., quite a few people claim that ., but other peoplethink as.提到 _問(wèn)題，僅少數(shù)人認(rèn)為

11、_，但另一些人則認(rèn)為_(kāi)。There is a public controversy nowadays over the issue of . There whocriticize .argue that ., they believe that .,but people who favor ., on the otherhand, argue that.目前，_問(wèn)題爭(zhēng)議較大。 批判 _的人認(rèn)為 _，他們認(rèn)為 _，不過(guò)，另一方面，贊同_的人則認(rèn)為 _。Some people are of the opinion that. 有些人認(rèn)為 _。Many people claim that.很多人認(rèn)為

12、 _。A majority of絕大多數(shù)A large number of 很多人Some people contend that . has proved to bring many advantages (disadvantages)有些人認(rèn)為 _有很多有利之處 (不利之處 )。Those who argue for . say that .economic development of the cities.覺(jué)得 _的人認(rèn)為， _ 城市的經(jīng)濟(jì)發(fā)展。Some people advocate that .有些人在堅(jiān)持認(rèn)為 _。They hold that . 他們認(rèn)為 _。People, w

13、ho advocate that ., have their sound reasons (grounds)堅(jiān)持認(rèn)為 _的人也有其說(shuō)法 (依據(jù) )。Those who have already benefited from practicing it sing high praise of it.那些從中受益的人對(duì)此大家褒獎(jiǎng)。Those who strongly approve of . have cogent reasons for it.強(qiáng)烈認(rèn)同 _的人有很多原因 。Many people would claim that.有人會(huì)認(rèn)為 _。People who support . give

14、 some or all of the following reasons.那些支持 _觀點(diǎn)的人列出了如下原因：_。But others hold the view that .但是，另外一些人則認(rèn)為_(kāi)。觀點(diǎn)的用詞： Attitude, opinion,與其搭配的動(dòng)詞以及詞組：Take, have,come up with，set forth, put forward 等。But on the other hand, there are also quite a few people who strongly advocate that.,.不過(guò)，另一方面，也有少部分人堅(jiān)持認(rèn)為_(kāi)。But pe

15、ople who are ., on the other hand , maintain that.不過(guò)，另一方面， _的人認(rèn)為 _。However, there are a large number of people who hold a different view concerning this case.然而，很多人對(duì)此有不同的看法。問(wèn)題用詞： Issue, phenomenon，后接介詞 , on, over 等。However, some others argue that.然而，另一些人則認(rèn)為_(kāi)。However, there are also some others who c

16、ontend that.然而，也有人認(rèn)為 _。But other people set forth completely totally different argument concerning this case.不過(guò)，對(duì)于此，另一些人則持完全不同的觀點(diǎn)。Some people examine this issue from another angle.有的人用另一角度來(lái)看這一問(wèn)題。On the other hand, there are also many opponents who strongly .另一方面，也有很多反對(duì)的人，他們認(rèn)為_(kāi)。According to my person

17、ality and fondness, I would prefer . rather than.根據(jù)我的個(gè)性以及興趣，我選擇_而不會(huì)選擇 _。Personally, I side with the latter (former) opinion.就我個(gè)人而言，我支持后者(前者 )_。Personally, I am in favor of the former point of view.就我個(gè)人而言，我較同意前一種看法。To my point of view 我認(rèn)為To my mind, the advantagesfar overweigh the drawbacks(disadvant

18、ages, shortcomings)我認(rèn)為，優(yōu)點(diǎn)勝過(guò)缺點(diǎn)。For my part, I stand on side of the latter opinion that.就我而言，我較贊同后一種觀點(diǎn)_。As far as I am concerned, I am inclined to be on the side of the latter view.在我看來(lái)，我較同意后一種觀點(diǎn)。After a thorough consideration, for my part, I am in favor of the latter viewthat.經(jīng)過(guò)深思熟慮，我較支持后一種看法，亦即_。If

19、asked to make a decision, I would prefer.如果真的需要作出選擇，我寧愿_。展現(xiàn)問(wèn)題篇問(wèn)題的常用詞： question, problem, issueRecently, the issue of . has been brought into public focus.近來(lái)， _的問(wèn)題引起了社會(huì)的廣泛關(guān)注。Now we are entering a brand new era full of opportunities and innovations, and great changes have taken place in people itude t

20、owards attsome traditional practice.現(xiàn)在我們進(jìn)入了一個(gè)充滿機(jī)遇和創(chuàng)新的嶄新時(shí)代，很多人對(duì)某些傳統(tǒng)的看法也發(fā)生了很大改變。Recently the issue of whether or not . has been in the limelight and hasaroused wide concern in the public.近來(lái)，是否 _的問(wèn)題已經(jīng)非常明確而且引起了社會(huì)的廣泛關(guān)注。The issue whether it is good or not to . has aroused a heated discussion allover the c

21、ountry._的利與弊已在全國(guó)范圍內(nèi)引起熱烈的討論。At present, some people think .while others claim .Both sides have theirmerits.目前，一些人認(rèn)為 _而另一些人則認(rèn)為 _。其實(shí)，兩種觀點(diǎn)都其可取之處。People rarely reach an absolute consensus on such a controversial issue.對(duì)于這種極具爭(zhēng)議的話題，我們很難作出絕對(duì)的回答。People from different backgrounds would put different interpretations on the same case.不同行業(yè)的人對(duì)同一種問(wèn)題的解釋不盡相同。The controversial issue is often brought into public focus. People from different backgrounds hold differ