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Biology Senior High

解説が全く理解出来ません💦 3枚目の写真では弛緩時も収縮時もアクチンフィラメントとミオシン頭部は重なっているように見えます💦

必 73. 筋収縮 6分 骨格筋は筋繊維 (筋細胞)からなり,筋繊維の中には多数の筋原繊維が束になって存 在する。筋原繊維は「 仕切られている。 〒 という袋状の膜構造によって取り囲まれており,またイという構造で サルコア イから隣のイまでをウとよび、これが筋原繊維の構造上の単位とな っている。 筋原繊維はアクチンフィラメントとミオシンフィラメントからできており,これらが規則的 に配列しているので、明暗の横縞が見られる。図は筋原繊維の一部を模式的に示したものである。 上の文章中のアウに入る語句として最も適 問1 当なものを、次の① ① シナプス小胞 a b ~ ⑥のうちからそれぞれ一つずつ選べ。 ②筋小胞体 ③ サルコメア ④ Z膜 ⑤ 帯 ⑥ 暗帯 C d 問2 図のa〜e のうち,筋収縮時に長さが短くなる部分を過 不足なく含むものを,次の①~⑤のうちから一つ選べ。 ① a, d 生物の環 ②a, e ③ b.c 4 b, e 5 a, d, e 問3 弛緩した筋肉を人為的に引き伸ばした状態で固定し,電気刺激を与えると張力が発生した。さら に筋肉を徐々に引き伸ばすと張力は徐々に減少し,図のeの長さが3.6μm以上になると,張力は発 生しなくなった。弛緩時におけるeの長さは2.4μmであった。 弛緩時におけるdの長さとして最も 適当なものを,次の①~⑥のうちから一つ選べ。 ① 0.2μm ③ 0.6μm ② 0.4μm ⑥ 1.2μm ④ 0.8μm ⑤ 1.0μm [17 名城大 改, 15 センター試 改]

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English Senior High

この黄色いマーカーのとこの分構造を教えて欲しいです。

異議をとなえる 明治大文 significant five per cent. 2022年度英語 7 chalerghg T困難だがやりがいある always prefer print to ebooks. By 2016, that number had climbed a modest but 控えぬ The increased sales books) and their popularity with of younger people, demonstrate that old media is not just the province the old)/ 領域 3 The argument that printed books were becoming outdated and obsolete was by challenged not only by books' renewed popularity, but also by expert studies that pointed out the psychological Benefits enjoyed by people (who liked to read 動 a remedy for (イ) b.difficult writing) (in other words researchers suggested reading ( n all sorts of problems) (2013) the journal Science published a study that concluded that people who mostly read literary writing had a clearer appreciation breached other people's ways of thinking than those who tended to prefer popular bestsellers: The authors (②this study) discovered readers to be better (あ the emotions expressed faces on at understanding others' false beliefs when they had just read prizewinning short stories than when they had I read lighter more commercial writing: This experiment provided a new contribution to the familiar debate (on the difference between literary writing and popular bestsellers Bluzin 1 0 experiment suggested b/captivated (②E a printed book) remained a worthwhile (even in the digital age that finding time to be activity (C① many people) O 4 est The view that people the past read more were better readers is not ✓ and (historical evidence. It is true that print experienced a golden age between the rise D mass audiences: ( the eighteenth century (and the twentieth- a century triumph of the paperback Nonetheless, well before competition (from social media, only a finy minority (①volumes that were published ever found a ader(1 Instead of reading novels carefully, aristocrats had their hair curled reader ✓ ever while listening to a servant reading aloud Long before people compiled favorite songs or pieces of music on their computer or mobile phone, poetry lovers scissored pages apart to paste scraps of one collection onto the margins of another. Early bookstores sold fish, while books were also sold door-to-door by clothing salesmen. Authors back then debated in print, as strongly as today's content providers do online, whether the written work should be rented or sold, licensed or owned. In short, printed books gave birth to many of the capacities cs CamScanner でスキャン

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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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Mathematics Senior High

マルで囲ったとこがどうしてこうおけるのかわかりません😭教えてください!!

EX 428 基本 例題 59 条件付き確率の計算 (2) ... 場合の数利用 00000 3個のさいころを同時に投げ, 出た目の最大値をX, 最小値を Yとし、その X-YをZとする。 (1) Z=4 となる確率を求めよ。 (2) Z=4 という条件のもとで,X = 5 となる条件付き確率を求めよ。 / P.425 基本 指針 (1) 1≦X66 から, Z=4となるのは, (X, Y) = (5,1) (62) のときで (2) Z4となる事象をA, X=5 となる事象をBとすると, 求める確率は 条件付き ある。この2つの場合に分けて, Z4 となる目の出方を数え上げる。 確率 P(B)である。 (1)n(A),n(A∩B)を求めているから, 全体をAとしたときのA∩Bの割合 n(A∩B) PA(B)= n(A) を利用して計算するとよい。 (1) Z4となるのは, (X, Y) =(5, 1), 6, 2 のとき 解答 [1] (X, Y)=(51) のとき このような3個のさいころの目の組を, 目の大きい方 から順にあげると, 次のようになる。 [2] (X, Y)=(62) のとき [1] と同様にして,目の組を調べると Z=X-Y=4から X=Y+4 X≦6 であるためには Y = 1 または Y = 2 (5, 5, 1), (5, 4, 1), (5,3, 1), (5,2,1), (5,1,1) 3! 3! [1] の目の出方は + 3×3! + =24(通り) 21 2! (6,6,2), (6,5,2), (6,4,2), (6,3,2), (6,2,2) [2] の目の出方は 3! 3! 組 (5.5.1)と組 (5,1,1)については、 同じものを含む順列を利 用。(同じものがない1 個の数が入る場所を選ぶ と考えて, C, としても よい。) + 3×3! + -=24(通り) 2! 2! 以上から,Z4となる目の出方は 24+24=48 (通り) 他の3組については順列 を利用。 よって, 求める確率は 48 2 63 9 基本 例題 60 「10本のくじの中に (1) 初めにaが1 (ア) a, b ともに (2) 初めが1本 る確率を求めよ 指針 解答 順列の考え 「a, b の順に 果がb の結 算する。 (1) a (ア) 求め (イ) b に分け 当たることを (1)a が当た Bとする。 7 (ア) P(A)= P (イ) b が当 があり, 求める確 P (2) a, b {ax, a C に排反であ と、求める確率は (2)Z4となる事象を A, X=5 となる事象をBとするP. (B) P(B)=n(A∩B)_24 1 P(A∩B)_n(A∩B) n(A) 48 2 P(A) n(A) POINT 条件付き確率はP(B)=P(A∩B) かP(B)= P(A) n(ANB) で計算 n(A) 練習 2個のさいころを同時に1回投げる。 出る目の和を5で割った余りをX.出る目の ③ 59積を5で割った余りをYとするとき、次の確率を求めよ。 (1) X = 2 である条件のもとで Y=2 である確率 (2) Y = 2 である条件のもとで X=2である確率 p.436 EX42.45 検討上の例題の (1) と等しい。 一 練習 8本のくじの ② 60 めに aが1本 (1) 初めに (2) a, bet

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