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Biology Senior High

生物基礎です! (2)の解き方を教えていただきたいです🙏🏻😭

Memo 40/遺伝暗号表 次の文章を読み、 以下の問いに答えよ。 mRNA 中の塩基がどのようにアミノ酸に対応しているかは,大腸菌を すりつぶした液などに、 人工的に合成したRNAを加えてポリペプチド をつくらせることで、 解析が進められた。 Uだけからなる人工 mRNAを 入れると、フェニルアラニンだけからなるペプチドが合成され, CA の 繰り返しからなる人工 mRNA を入れると、トレオニンとヒスチジンが交 互に繰り返されるペプチドが得られる。 CAGUCAC 第2番目の塩基 ウラシル (U) シトシン (C) UUUC フェニルアラニン UCU JUCC トセリン UAC アデニン (A) UAU チロシン グアニン (G) [UGC UGU システイン JUUAL ロイシン [UCA [UAA] UUG |UOG UAG CUU ICCU CAU ヒスチジン C CUC トロイシン CUA CCA プロリン CAC CAA CUG |CCG] CAG/ グルタミン AUU) JACU AU A AUCイソロイシン ACCトレオニン AAC (終止コドン) AA アスパラギン CGU cca アルギニン CGA [UGA (終止コドン) UGG トリプトファン CGC |CGGJ [AGC AGUI) ・セリン AUA」 |ACA AAA |AUGコトン)メチオニン ACG) [GUU] リシン AGAI AAG AGG アルギニン GCU IGAU GGUC バリン GUA GCA |GUGJ GCC アラニン GOG |GAC アスパラギン酸 GGU GAAL |GAG グルタミン酸 GGA GGCグリシン 第1番目の塩篡 GGGJ (1) CAG の繰り返しからなる人工 mRNA を, 大腸菌をすりつぶした液 に入れると,同じ種類のアミノ酸が繰り返し連なったペプチドができ る。 遺伝暗号表を参考にして、そのアミノ酸として適当でないものを 次から1つ選べ。 グルタミン ①アラニン ウ グルタミン酸 エセリン (2) CAGAC の繰り返しからなる人工 mRNA を用いて, タンパク質を合 成させた際のアミノ酸の繰り返し配列として正しいものを、 遺伝暗号 表を参考にして, 次から1つ選べ。 元グルタミンートレオニン-アルギニンープロリン-フェニルアラニン イトレオニン-アルギニン-プロリン-アスパラギングリシン ⑦ トレオニン-アルギニン-プロリンーグルタミン-アスパラギン酸 アルギニン-プロリン-アスパラギン酸-グルタミン-トレオニン オ プロリン-アルギニン-アスパラギン酸 ロイシンートレオニン ⑦ アスパラギン酸 ロイシンートレオニン-アスパラギン酸 ロイシン グルタミンートレオニン-アルギニンープロリン-アスパラギン ⑦グルタミンートレオニン-アスパラギン酸-ロイシン-トレオニン

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Mathematics Senior High

N進法について質問です。 マーカー部分についてですが、bが12の倍数なのはわかったのですが、なぜb=0になるのかがわからないです。 解説していただきたいです。よろしくお願いします!

発 展 例題 n 119 進数の各位の数と記数法の決定 <<< 基本例題 110 ①① (1) 自然数N を7進法と5進法で表すと、ともに3桁の数であり,各位の数の 並びが逆になるという。 Nを10進法で表せ。 (2)は3以上の自然数とする。 2進数 11010(2) n進法で表すと 222 (n) となる ようなnの値を求めよ。 CHART &GUIDE n進法の扱い 10進法で考える。 abc (n) は10進法で an+bn+c 記数法の底が混在しているから、 10 進数に直して処理する (底の統一)。 (1) N=abe (7) とすると, N = cba(s) でもあるから, abe()=cba(s) として a,b,cの 値を求める。最高位の数は0でないこと, n進法における各位の数は0以上η-1以下 の整数であることが値を求めるうえでのポイントとなる。 (2)11010(2) 222 (n) を10進法で表し,nの方程式を作る。する 解答 自 (1) N=abc (7) とすると, 条件から N=cbas各位の数の並びが逆。 ゆえに abc (7)=cba (5) ① ここで, a≠0, c≠0 であるから ****.. 1≤a≤4, 0≤b≤4, 1≤c≤4 a・72+6・7+c=c・52+6・5+α 最高位の数α, cは0で ②善はない。7より5の方が 小さいから、底5につい 497 ①から よって 48a+26-24c=0 ゆえに b=12(c-2a) よって, 6は12の倍数であるから,②より てのみ各位の数の範囲を 考えればよい。 b=0 ゆえに 0=12(c-24) よって c=2a ③ ② の範囲で ③ を満たす α, c の組は (a,c) = (1,2) (2,4) (a,c) = (1,2) のとき (a,c) = (2,4)のとき したがって .WAT N=1・72+0・7'+2・7°=51 N=2・7°+0・7'+4・7°=102 N=51, 102 MA ← 1≦2a≦4からα=1,2 ◆N=abc (7) に代入した。 N=cba (5) に代入して もよい。 03072+1.2+0.2°=26

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English Senior High

付箋で貼った2文がどうしてそのような訳になるのかわかりません。

た次の英文を読み, 設問に答えなさい。 (学習院 法学部 2022年) Society is everything. Many of us go through life thinking we are self-made and self-sufficient. Some may credit (or blame) their families for success or failure in life, but rarely do we think about (1) the bigger forces (that determine our destinies - the country we happen to be born in, the social attitudes common at a particular moment in history, the institutions that govern our economy and politics, and the randomness of just plain luck. These wider factors determine the kind of society in which we live and are the most important determinants of our human experience. 2 Consider an example of a life in which society plays a very (X) role. In 2004 I spent time with a family in the Ecuadorian Amazon*. Antonia, my host, had twelve children, and her oldest daughter was about to give birth to her first grandchild. They lived on the edge of the rainforest with no road, electricity, clean water or sanitation*. There was a school, but a considerable distance away, (Y) the children's attendance was irregular However, Antonia was a community health worker and had access via radio* to a doctor in a nearby town who could provide advice to her and others. Apart from this service (arranged by a charity), she and her husband had to be completely self-reliant gathering food from the forest, educating their children on how to survive in their environment. On the rare occasions when they needed something they could not find or make themselves (like a cooking pot), they searched for bits of gold in the Amazon, which they could exchange for goods in a market at the end of a long journey by boat. 3 This may seem like a very extreme and distant example, but it serves to remind us how accustomed we are to the things that living collectively gives us infrastructure, education and health care, laws that enable markets in which we can earn incomes and access goods and services. Antonia and her daughter promised to name the baby (they were Minouche, (2) which was a great honour. I often wonder what kind of life that other Minouche will be having as a result of being born in a very different society. V+ re expecting The way a society is structured has profound consequences for the lives of those living in it and the kinds of opportunity they face. It determines not just their material conditions but also their well-being, relationships and life The structure of society is determined by institutions such astical and legal systems, the economy, the way in which family and community life are organized. All societies choose to have some things left to individuals and others determined collectively. The rules governing how ? those collective institutions operate form what might be called the social contract, which 1 believe is the most important determinant of the kinds of lives we lead. Because it is so important and because most people cannot easily leave their societies, the social contract requires (Z) of the majority and necessary changes ás circumstances change. VF vf ⑤We are living at a time when, in many societies. people feel disappointed by the social contract and (3) the life it offers them. This is despite the huge gains in material progress the world has seen over the last 50 years. Surveys Social contract people

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English Junior High

問3 ェ 問5 イ 問6 ウエ なぜそうなるのかの解説お願いします

次の英文は,日本にホームステイしているエミリー(Emily) のことを書いたものです。これを読んで問いに答えなさい。 Emily is a high school student from the U.S. She is interested in Japan very much. She came to Japan and has stayed at Taro's house for one month. She is enjoying her stay in Sapporo. (1) One day, she went to a movie with Taro. The movie was really nice, so it made them excited. After that, they took a *subway to go back to their home. Emily was telling him what she thought about the quiet. He said, "Please talk in a small voice. movie_in_a *loud voice on the subway, so Taro In Japan, we are usually quiet on the subway." She was surprised to hear that, so she said to Taro, "Sorry, but I don't know why we have to be so quiet. In the U.S., we can talk with each other on the subway. Sometimes some people dance and sing a song." This time Taro was surprised to hear that. ① The next day, Emily was talking with Taro's father. She said, “Today I saw something *strange when I was on the subway. There were so many people and most of them could not sit down. Only one *seat was *empty, but *no one tried to sit there." Taro's father answered, “Did you see a sign near the seat? That seat is only for people who need some help like *elderly people or *pregnant women, or people with special *needs. *Even if there are no elderly people standing on the subway, other people won't sit there. The *priority seats are on the buses and trains in many towns in Japan, but the seats like this only in Sapporo." Emily thinks everyone should give a seat to elderly people or pregnant women. By doing so, they won't need special seats on the subway. Emily will stay in Sapporo for more two months and そうすることで (E) subway T loud... 大きな strange... おかしな, 奇妙な empty 空いている no one ~ ・だれも~しない seat... elderly ・・・ 高齢の even if ~・・・ たとえ~でも

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