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English Senior High

mainstreamⅢ chapter18 章末問題 解答教えてください!

6 Chapter 18 Comprehension a. On the basis of Gurdon's research, Yamanaka revealed that specialized cells from a mature Choose the appropriate answer. body can be transformed into iPS cells. frog. b. Gurdon placed cells from the skin of mice into an unfertilized egg cell of a c. Yamanaka took cells from the blood of mice and transformed them into a baby. d. The only difference between Gurdon's and Yamanaka's experiments was what cells they used. e. Organ rejection will no longer be a problem because it has become possible to develop organs from the patients' own cells. f. iPS cells will soon make it possible to cure all types of diseases. g. Yamanaka admits that iPS technology has done harm in some cases. h. Even as a scientist Professor Yamanaka believed that his mother saw his father's ghost. i. Professor Yamanaka has never thought of giving up research. found iPS ce j. What Professor Yamanaka wanted to say in the speech was what seems unfortunate at first may turn out to be fortunate in the end. not e mes B Choose the most appropriate main theme. a. John Gurdon and Shinya Yamanaka won the Nobel Prize because they helped each other for 40 years to create iPS cells. Chapter 18 | Minis SO 15 b. We should be careful about new technology because it takes time to put it into use and it can do harm. 24 c. Professor Yamanaka has experienced challenges in his life but they were also opportunities, one of which led to the Nobel Prize.

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Chemistry Senior High

2枚目の赤枠に囲まれた部分について質問です。 この2つの構造式が互いに鏡像異性体の関係にあるという事ですか? それとも、これら2つのそれぞれに対して鏡像異性体があるという事でしょうか? 前者であれば鏡像異性体の個数は2つでありますが、後者なら2×2=4つの鏡像異性体というイ... Read More

入試攻略 への 必須問題3 次の文章を読んで、 下の問いに答えよ。 た だし、 構造式は右の(例) にならって示し, 不 素原子には*印を付けること。 (例) の図 中のくさび形太線(-) とくさび形破線 は、結合がそれぞれ紙面手前と紙面奥 に向いていることを示す。 分子中の炭素原子間に二重結合を1つ含み,一般式で表される鎖 LE 式不飽和炭化水素を一般にアルケンという。 アルケンに対する臭素の付加反応の場合、 2つの臭素原子がそれぞれ二 重結合に対して反対側から付加する (次図参照)。 HI....C H 20 ... H Br2 H H Br C C Br 中間体 TH (例) H H CH3. H H HO H ・CH2 CH3 Br さ H H Br 1,2-ジブロモエタン 「だとわ 図 エチレンの臭素付加反応 (注) 曲がった矢印 ( ) は電子対の動きを示す。 問1 ] にあてはまる一般式を,炭素数をnとして記せ。 問2 シス-2-ブテンとトランス-2-ブテンをそれぞれ臭素と反応させた。 それぞれについて考えられる生成物の立体異性体の構造式をすべて記せ。 (浜松医科大) 解説 問1 アルケンとは, 鎖式不飽和炭化水素のうちC=C結合を1つもつものを 指すので,不飽和度1である。 アルカンの一般式がC, H27 +2 なので,これよりH原子が2個少ないアルケ ンの一般式はC, H2 となる。 OFO 18 問2 次のようなアルケンの場合には、2通りの付加の方向があり、2種類の 立体異性体が生成すると考えられる。 HO

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English Senior High

1枚目の本文に対する2枚目の問題の答えを3-イか3-ロで迷っているのですが、どちらが正解かわかりません。どなたか理由もあわせて教えてもらいたいです。 よろしくお願いします!

Omoiyari is said to be a key concept of the Japanese mentality. (Its primary meaning is the ability to imagine other people's feelings. Japanese people's good manners have often (2) been associated with it and reported in news articles. For example, Japanese soccer supporters cleaned up the stadium after the matches at the World Cup, actions that were praised by the foreign media. Some experts say the supporters' behavior is related to education in Japan, where children clean their classrooms every day. Another example was seen during the frequent natural disasters. Even in such situations, many people still kept calm and patiently waited in lines for emergency supplies. JANET [ 3-1 ] According to a survey by an organization to promote good manners in Tokyo, less than 30 percent of Tokyo residents think people in Tokyo have good manners. [ 3-□ ] For example, Tokyo residents notice bad manners on the train. (4)Some young people sit in priority seats and do not give sit (5). V₂ 1 up their seats to the elderly, and others put on makeup. [ 3-> ] In an effort to get the passengers to 52 act more (5), railway companies display posters, saying things such as, "Please line up and c wait your turn" or "Please switch your phone to silent mode while ( 6-a) the train." 5 [ 3-= ] Omoiyari is often seen in school mottoes and emphasized in moral education at school. Some of the values that students are ( 6-b) include respecting the elderly, helping those with disabilities, and keeping promises. Students also take turns (6-c) in charge of cleaning the classroom, serving lunch, taking care of plants and animals. In addition, volunteer clubs collect money for charitable organizations and members visit elderly people in nursing homes. In moral education class, students read stories and discuss the topics in them. The teacher facilitates the discussion and the students draw their own conclusions. (Nakaya, et al., Discuss the Changing World, Seibido)

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