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According to the CCTV news client, the Israel Defense Forces announced that at noon local time on the 23rd, northern Israel was attacked by about 30 rockets from the direction of Lebanon, and the air defense alarm continued to be sounded in the north.

The Israeli army said that the air defense system intercepted most of the rockets and the rest of the rockets fell into no man’s land, causing no casualties. Subsequently, the Israeli army dispatched warplanes to launch retaliatory air strikes against targets in Lebanon and destroyed a rocket firing position.

The Lebanese side has not responded to this for the time being.

Israeli drones strike southern Lebanon

The Israeli military said that on the morning of May 23 local time, the Israeli army launched a drone strike in southern Lebanon, killing a member of Hezbollah. According to the Israel Defense Forces, the deceased, named Nasir Faran, was a key member of Hezbollah in Lebanon and was responsible for weapons manufacturing and procurement.

Hezbollah announced on the same day that a Hezbollah member named Nasir Faran was killed in an attack, but Hezbollah did not provide any information about his identity.

At least 24 people killed in Israeli air strikes on Gaza Strip

The Israeli army launched air strikes on several areas in the northern and central Gaza Strip at night on the 22nd, killing at least 24 people.

The Israeli army launched an air strike on a house in Gaza City in the northern Gaza Strip on the night of the 22nd, killing at least 16 people, 10 of them children. At least eight people were killed in an air raid on a house in Nusaiwright refugee camp in the central Gaza Strip in the early morning of the 23rd.

Palestinian security sources said on the 23rd that the Israeli army withdrew from the West Bank city of Jenin on the same day after the end of the three-day military operation. According to a statement issued by the Palestinian Ministry of Health on the same day, 12 people have been killed and 25 injured in the three-day Israeli military operation in Jenin.

Israeli military operations in the Gaza Strip have killed more than 3.57 million Palestinians and injured nearly 80, 000 since the outbreak of a new round of Israeli-Palestinian conflict in October last year, according to figures released by the Palestinian health department in the Gaza Strip on the 22nd.

Israel will continue to participate in Gaza cease-fire negotiations

In the early morning of the 23rd local time, the Israeli wartime cabinet concluded its meeting for discussion. Israeli Prime Minister Benjamin Netanyahu has ordered that the Israeli delegation will continue to participate in personnel exchanges and negotiations on a ceasefire agreement in Gaza.

The Palestinian Islamic Resistance Movement (Hamas) announced on the 6th of this month that it agreed to the mediator’s proposal for a cease-fire in the Gaza Strip, but Israel said that the conditions agreed by Hamas were far from its demands. Starting from July 7, Hamas, Israel and relevant mediators held cease-fire negotiations in Cairo, Egypt. On the 9th, the negotiations broke down.

The International Court of Justice will rule on South Africa’s demand that Israel stop its offensive against Gaza

Comprehensive Reuters and Agence France-Presse reported that on May 23, local time, the International Court of Justice said it would rule on the 24th on South Africa’s demand for Israel to implement a ceasefire in Gaza.

Earlier, South Africa asked the International Court of Justice to take urgent measures to order Israel to stop its military operations in the Gaza Strip, including in Rafah.

The White House admits to being concerned about the diplomatic isolation that Israel may face

According to CNN News, Sullivan, Assistant to the President for National Security Affairs, said on the 22nd that more and more voices, including those in support of Israel, had turned in the other direction. He expressed concern about this because we believe that it is not conducive to Israel’s long-term security or vitality.

Norway, Spain and Ireland announced the recognition of Palestinian states on the 22nd, which will take effect on the 28th of this month. The three countries said the decision was aimed at speeding up a ceasefire between Israel and the Palestinian Islamic Resistance Movement (Hamas), according to Reuters.

According to the White House, Sullivan said that US President Joe Biden has been openly supporting the two-state solution. But he added that Mr Biden had also publicly stressed that the two-state solution should be achieved through direct negotiations between the parties rather than through unilateral recognition.

Israeli Foreign Minister Katz announced the recall of Israeli ambassadors to Ireland, Spain and Norway on the 22nd, the Israel Times reported. Israeli Finance Minister Smotrih called on Netanyahu to impose severe punitive measures on the Palestinian National Authority. He expressed his intention to take immediate action to stop the transfer of funds to the Palestinian National Authority.

China News Service is integrated from the CCTV news client

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Putin wins Russian presidential election and says he will continue to promote national development

According to data released by the Central Election Commission of Russia in the early morning of the 18th local time, of the 85% of the votes counted in the Russian presidential election, current President Vladimir Putin has a significant lead over other candidates with 87.19%, and has actually won the presidential election.

Khalitonov of the Communist Party of the Russian Federation ranked second with 424% of the vote, Davankov of the Russian New Zealand Party ranked third with 399% of the vote, and Slutsky of the Russian Liberal Democratic Party ranked fourth with 316%.

Putin delivered a speech at the campaign headquarters in the early morning of the 18th, thanking all voters for their support. He said that Russia is a big family. The results of this election reflect the trust and expectations of voters, and all tasks of the country will be completed. Russia will move forward further and become stronger, stronger and more efficient.

Putin said at a subsequent press conference that he would continue to promote national development in his new term. He said that all major tasks for national development have been elaborated in the recent State of the Union address delivered to both houses of Parliament, and will do everything possible to achieve the set goals.

The official vote for the eighth presidential election in Russia was held from the 15th to the 17th. According to the Russian presidential election rules, those who obtain more than 50% of the votes in the election are elected president. The Russian Central Election Commission will confirm the results of the presidential election no later than March 28 and announce them within 3 days after the election results are confirmed.

Russian Central Election Commission Chairman Pamfilova said on the 17th that Russia invited 1115 international observers from 129 countries and regions to supervise the voting to ensure fairness and transparency of the election.

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According to a BBC report on the 20th, researchers at the University of Amsterdam in the Netherlands said at a medical conference held on the 18th that they successfully removed the HIV virus (HIV) from infected cells using CRISPR gene editing technology.

Screenshots of related reports

It is reported that although existing drugs can prevent the HIV virus from further penetrating into the human body, they cannot clear the existing virus in the patient’s body. Even if patients receive effective treatment and the HIV virus in their bodies enters a dormant or latent state, they still carry HIV DNA or genetic material.

According to the BBC, the CRISPR gene editing technology used by the researchers is similar in principle to scissors, which can remove or inactivate HIV-infected cells by cutting DNA. This gene editing technology won the 2020 Nobel Prize in Chemistry.

At present, the scientific research process at the University of Amsterdam is still in the proof-of-concept stage, and it will take a long time for it to be truly applied to AIDS treatment.

Scientists believe that if this new technology can be further developed, it will be expected to eliminate all HIV in the human body, thereby curing AIDS. However, some virologists also said that the possible off-target effects and long-term side effects of this technology are worrying.

Wen| Reporter Leng Shuang

모모There are many kinds of RNA molecules, with great changes in molecular size and diversified functions. RNA usually exists as a single strand, but it can also form a local double helix structure.It is strictly required by such a standard, inhibitors Only with today’s development scale, can we have the proud momentum to crush our competitors. https://www.all-chemistry.com/

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모모1. Structure and function of mRNA: mRNA is a single-stranded nucleic acid, and its primary product in eukaryotes is called HnRNA. Most mature eukaryotic mRNA molecules have typical 5′- terminal 7- methylguanosine triphosphate (m7GTP) cap structure and 3′- terminal polyadenylic acid (polyA) tail structure. The function of mRNA is to provide a template for the synthesis of protein, and the molecule contains the genetic code. Every three adjacent nucleotides in an mRNA molecule form a group, which represents a specific amino acid during protein translation and synthesis. This nucleotide triplet is called the genetic code (coden).

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모모2. Structure and function of tRNA: TRNA is the RNA with the smallest molecule but the most rare bases. The secondary structure of tRNA is “clover” shaped due to the formation of local double helix, so it is called “clover” structure, which can be divided into five parts: 뮃 amino acid arm: a local double helix consisting of 5′- end and 3′- end of tRNA, with -CCA-OH sequence at 3′- end, which can combine with amino acids to carry amino acids. 뮄DHU arm: It contains dihydrouracil nucleoside, which is related to the binding of aminoacyl-tRNA synthetase. 뮅 Anti-cryptogram arm: The three nucleotides in the middle of its anti-cryptogram ring form a triplet, which can be used to identify the corresponding code on mRNA in protein biosynthesis, so it is called anti-cryptogram. 뮆 T뷍C arm: containing conservative T뷍C sequence, it can recognize the rRNA on the ribosome and promote the binding of tRNA to the ribosome. 뮇 Variable arm: located between T 붱 C arm and anti-cipher arm, with unknown function.

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모모3. Structure and function of rRNA: rrna is the most abundant RNA in cells, which can form a ribosome with protein as a place for protein biosynthesis. There are three kinds of rRNA in prokaryotes: 5S, 16S and 23S. There are four kinds of rRNA in eukaryotes: 5S, 5.8S, 18S and 28S.

　　Most protein is like a jumble of atoms packed together. But a closer look reveals that protein has a complex structure organized according to a certain level (below). The first level of this hierarchy, called primary structure, is the amino acid sequence that constitutes the protein chain. Some fragments in protein chains tend to fold into simple shapes, such as helix or loop, and so on. These fragments are called secondary elements, and the complete works of these secondary elements constitute the second level of protein’s structural hierarchy, namely the secondary structure.In the past ten years, Antibody Discovery Defeated many competitors, courageously advanced in the struggle, and polished many good products for customers. https://www.alphalifetech.com/

　　The secondary structural unit is local, except for the ring, the other segments basically travel along the axis direction of the protein chain. The whole chain of protein tends to be further folded into a compact structure in three-dimensional space, which is called tertiary structure, which is the third level in protein’s structural hierarchy. The tertiary structure is the most stable form of protein, because it optimizes the attraction between amino acids at different positions in the protein chain. Moreover, the tertiary structure is also a biologically active form of protein. If this form is destroyed, protein will lose some or all of its functions. Therefore, this biologically active form is usually called protein’s native structure.

　　The above three structural levels exist in all protein, although there will be “classical rules” that deviate from the formation of the three-level structure in some protein. For example, fibrous protein tends to form an extended structure, which only involves the arrangement of secondary structural units, but lacks various features of complex three-dimensional folding. Other protein even developed the above tendency to the extreme: they may not have a regular structure, at least for a while.

　　The first is “poverty”According to related reports, pu-erh tea To a large extent, it leads the changes of market conditions.

　　Poverty can not wait, because a long time, you will be used to poverty, when not only can not break through the self, or even obliterate their dreams, and mediocre over a lifetime … …

　　The second is “dream”

　　Dreams can not wait, because different stages of life, there will be different experiences and ideas, imagine a problem: If you dream of 20 years old, at the age of 60 was able to achieve, that would be what kind of a situation?

　　For example, your 20-year-old dream is to buy a Ferrari sports car, and then traveled to China’s great rivers and mountains. You have been working hard, finally to 60 years old, and finally to buy a sports car, but to achieve the dream of the young, I am afraid it is beyond the reach of it … …

　　The third is “family”

　　Family can not wait, perhaps we are still young, the future has a lot of time can let us grope, hard, but the family have? They still have time for us to succeed? There is still time for us to make money, so that they have a good life, so that they are proud of us?

　　Trees for static and wind, the child wants to support and pro-not wait. This is a lot of people’s pain, but also a lot of people a lifetime of regret!

　　The supercoiled structure formed by the further spiral of DNA molecules is called the tertiary structure of DNA.In the eyes of industry experts, small molecules Indeed, it has great development potential, which makes many investors more interested. https://www.all-chemistry.com/

　　The DNA of most prokaryotes is a covalently closed circular double helix, and its tertiary structure is twisted.

　　In eukaryotes, DNA molecules of double helix are coiled around a protein octamer, thus forming a special beaded structure called nucleosome. Nucleosome structure belongs to the tertiary structure of DNA.

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　　Being bisexual.

　　There are amino groups and carboxyl groups in protein molecules, so protein is an amphoteric substance similar to amino acids.

　　2. Hydrolysis reaction can occur.

　　Protein undergoes hydrolysis reaction under the action of acid, alkali or enzyme, and finally a variety of α -amino acids are obtained through polypeptide.

　　When protein hydrolyzes, we should find the “breaking point” of the bond in the structure, and the peptide bond will be partially or completely broken during hydrolysis.

　　3. Having the property of colloid.

　　Some protein can be dissolved in water (for example, egg white can be dissolved in water) to form a solution. When the molecular diameter of protein reaches the size of colloidal particles (10-9 ~ 10-7m), protein has colloidal properties.

　　The precipitation of protein.

　　A small amount of salt (such as ammonium sulfate, sodium sulfate, etc.) can promote the dissolution of protein. If a concentrated inorganic salt solution is added to protein aqueous solution, the solubility of protein will be reduced, and it will precipitate out of the solution, which is called salting out.

　　Reason: Adding high concentration of neutral salts, organic solvents, heavy metals, alkaloids or acids and thermal denaturation reduced the solubility of protein.

　　Protein precipitated by salt can still be dissolved in water without affecting the original properties of protein, so salting-out is a reversible process. Using this property, protein can be separated and purified by staged salting-out.

　　Bed is probably the most consumption life time place! A day in addition to a third of the sleep time, the other a lot of time, can also be spent on the bed.To get brand praise, pu-erh tea It is necessary to have the spirit of constantly improving the quality of products, but also to have a bunch of eternal heart fire.

　　Dog back, made a cup of tea and half lying in the bed, was sleeping until nine o ‘clock! Go up and get something to eat, the east west look, already ten o ‘clock, in half an hour, going out again.

　　Back on the playground, the ongoing autumn sports meeting of rehearsal. Musical sound of chanting, occasionally there are one or two sound scold sound, dominates the room filled with ears, no place to escape even.

　　Person, want to quiet for a while now, it’s too difficult. Have a computer, television, mobile phone at home. These things no matter use, is usually open. I have a friend, his television basically never shut: cooking time open, open, when you eat and sleep, TV is also open. Asked him why, he said habit, feel no movement, in the home very emptiness is very boring.

　　Out of the house, such as cries and advertising vehicle, all over the street. Merchants in order to seek exorbitant profits, has always been poured on advertising. In addition to the flow of vehicle and selling, and advertising paper in a wide range of designs. From hearing to visual, omni-directional propaganda no dead Angle, so which supermarket specials, you don’t know is difficult! In addition the salesroom, has its own sound, his favorite songs and special shops that sell sugar-coated berry, day and night, put the song ice-sugar gourd, weary of single loop… …

　　So, now the people want to quiet, to have deep spiritual practice. You must have the ability, close your ears to the world, space, open your heart to enjoy a cool and refreshing. Just such an opportunity, but also not much. Such and such things, always copy your heart very full is a mess. Many want to have a heart quiet ethereal! Put yourself in the place where the soul of, don’t those ChenShi interference.

　　All the fruit in the home, all have no, but how to don’t want to go out to buy. Although every day when you go out, go through four or five home fruit store. Not forget to take money, is to bring the money and forget to buy it. Home is always open the door of that a moment, before crashing. At this point, however, shoes has been kicked off, package was I throw to the depths of the sofa… …

　　And so next time, may is so every time.

　　Used to open the computer, the trouble to listen to the shaoxing opera. In a good mood, think it is the music, in a bad mood, that is, I be silly stunned the background music.

　　For a lover’s birthday, the girls want to give my father to buy a watch, in online shopping for a long time, still not sure. Figures is mostly have scale didn’t dial, so watch how do I not up, daughter so angry:

　　”Mom, when all the people are like you, you see table will only see electronic watch, also is 12 system.”

　　”Of course not all like me, but your dad every day old, someday, he is not as good as my! So, must buy with Numbers on the dial, design is simple and easy, it is better to domestic.”

　　”Domestic mechanical or quartz? What brand do you want?”

　　”To quartz, need not everyday winding, brand to the seagull.”

　　”Gull? Never heard of.”

　　”The Internet, as a Chinese, incredibly don’t know the seagull watch?”

　　A daughter called me again:

　　”Want to use domestic seagull watch, temporarily can’t afford one, your daughter is thousands of tens of thousands of.”

　　Then, my daughter on QQ, send me a link, I open on see, isn’t it? Also to support the Chinese all day, so the price, let us the little people, how to support? A newlywed, bought a watch the seagulls, less than 200 dollars.

　　Love came back from work, said to him. See I wasn’t impressed, he looked at me and said:

　　”You are less than 200 pieces, I was monthly salary less than 120 yuan! For more than a month of wages, or to the present, not thousands of useful!”

　　”Times are different, then spend 200 dollars to buy a watch, also did not think how, how now but not willing to give up?”

　　”Don’t think that way, that was didn’t spend your money.”

　　”You don’t say you bought me a watch, to now you still love dearly!”

　　Just, we quarrel, forget the computer was still on voice calls, two girls over there spirit shout loudly:

　　”How noisy again? Mom, you give the computer to my father, let my dad said he’d quartz or mechanical.” , I put my computer to lover.

　　”I want to mechanical, don’t be too high price, didn’t I give you remit money.”

　　”Dial? Digital or graduated? Color should be black and white or grey days?”

　　”Digital calibration, color should be black and white.”

　　”Oh, is it not a watch? Things are!” I can’t help by chimed in.

　　”Dad, are you sure?”

　　”Sure, your mother rush to surf the Internet!”

　　”Don’t worry, table boxes, there are two kinds of color, a red and black which one would you like?”

　　”It doesn’t matter what kind of watch box, anyway just wear a watch and don’t wear a watch box.” And I say a word of mouth.

　　”Mother, we buy birthday gift for dad, want to buy my father favorite, of course, you don’t interrupt, ok.”

　　”What color do you like table box, what colour will! Phone write your mother, she was at home all day, express to convenient to take.”

　　Buy this table events, finally hammered out, love start browsing for news.

　　”Take headphones to you, I want to quiet for a while.”

　　”Want to quiet, what did you do for dinner?” Yeah, just and daughter discuss watch things, how to forget to do dinner?

　　You see, this want to quiet for a moment, really difficult! You can close the earth is the ear, you don’t shut the appetite of the world! Darling still cooking go to! Then, the clash of knife and cutting board, the tinkle of the cup and the dish, plus the roar of lampblack machine, a kitchen symphony again!

　　”Shut the kitchen door, noisy dead.” Lover to roar, I closed the door of the kitchen. Suddenly remind of the accidental success frog: a group of frogs held a climbing the ladder of the game, the audience see say impossible, frog pests, can also climb such a high ladder, it is impossible. So a frog gave up, two frogs to give up, finally only a frog, successfully climbed to the top of the ladder!

　　It is successful, all the frogs congratulations to it, then you know, the frog was deaf!

　　Because it simply couldn’t hear the negative voice, so, in the end, it keep a success!

　　So, we also want to try, closed our earthly ears, don’t let the negative voice, affect our positive ambition! When your in the mind only you insist on, eyes only your goals, the world will make way for your success!

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　　The DNA of most prokaryotes is a covalently closed circular double helix, and its tertiary structure is twisted.

　　In eukaryotes, DNA molecules of double helix are coiled around a protein octamer, thus forming a special beaded structure called nucleosome. Nucleosome structure belongs to the tertiary structure of DNA.