学年

教科

質問の種類

数学 高校生

3問とも分かりません どう考えるべきなのか回答よろしくお願い致します🙏🙇🏻

S *第8問 遺伝子の本体に関する次の文章(A· B)を読み, 下の問い(問1~5)に 答えよ。(解答番号 問1 解析した10種類の材料(ア~コ)の中に,遺伝物質として1本鎖の DNA D(配点 20) 【10分) 1 6 をもつものと,1本鎖の RNAをもつものが一つずつ含まれている。それぞ れについて最も適当なものを, 次の0~0のうちから一つずつ選べ。 A 生物は遺伝物質として2本鎖 DNAをもつ。それに対してウイルスには遺伝物 1本鎖の DNA をもつもの 1 質として2本鎖 DNA をもつもののほかに, 1本鎖の DNAをもつもの, 2本鎖 1本鎖のRNA をもつもの 2 の RNA をもつもの, および1本鎖の RNAをもつものがある。以下の表1は, いろいろな生物やウイルスのDNA や RNAを解析し, 構成要素(構成単位)であ 0 ア 2 イ ウ の エ 6 オ るアデニン(A), グアニン(G), シトシン(C), チミン(T), ウラシル(U)の数の、 6カ の キ @ ク 9ケ 0 コ 割合[%]と核1個当たりの平均の DNA量を比較したものである。 問2 核1個当たりの DNA 量が記されている材料 (ア~オ)の中に, 同じ生物の 表 1 肝臓に由来したものと精子に由来したものがそれぞれ一つずつ含まれてい 核酸中の各構成要素の 数の割合(%) る。この生物の精子に由来したものとして最も適当なものを, 次の①~⑤ 核1個当たりの 平均の DNA 量 (× 10-12 g) 材料 のうちから一つ選べ。 3 A G C T U ア 26.6 23.1 22.9 27.4 0.0 95.1 0 ア のイ O ウ の エ 6 オ イ 27.3 22.7 22.8 27.2 0.0 34.7 ウ 28.9 21.0 21.1 29.0 0.0 6.4 問3 新しい DNA サンプルを解析したところ、 TがGの2倍量含まれていた。 エ 28.7 22.1 22.0 27.2 0.0 3.3 この DNA の推定される Aの割合として最も適当な値を, 次の ①~⑥のう オ 32.8 17.7 17.3 32.2 0.0 1.8 ちから一つ選べ。ただし, この DNA は, 二重らせん構造をとっている。 カ 29.7 20.8 20.4 29.1 0.0 4 キ 31.1 15.6 29.2 0.0 24.1 ク 24.4 24.7 18.4 32.5 0.0 0.0 27.9 0 16.7 の 20.1 ③ 25.0 ケ 28.0 22.0 22.1 14.6 0.0 の 33.4 6 38.6 6 40.2 コ 15.1 34.9 35.4 -:データなし

回答募集中 回答数: 0
数学 高校生

英語の長文ってどうやったら読めるようになりますか

1 次の英文を読んで、問 (1) ~ (5) に且本語で答えなさい。 Lobola is the African custom of paying fora bride. Although it is an old custom, not In fact, it is being debated in Botswana. everyone in African cultures is happy with it. Many people, including many women, support payment of lobola. They explain that in Tswana culture, a marriage means joining a family, not just marrying an individual. The idea of marrying into a family is very African. just the man.Through marriage, the young woman's family loses their daughter as she then becomes a part of her husband's family. Lobola is a way to show thanks. It is a form of generosity in African culture. In its traditional form, they also explain, the groom's family gave cattle to the bride's family. But it didn't matter whether the family owned cattle or not. A woman does not get married to A man only had to pay what he could afford if he had no cattle, he could give something else, even the smallest form of payment. The tradition of lobola was a matter of pride. Today, lobola is often given in cash. purchase of a bride. Lobola is meant to join two families together. They know that But its supporters say it is not about the some people abuse the custom. But they believe that the tradition should not be tossed out because it has many positive effects. Rather than get rid of it, many believe it should just be explained better. However, many others say this custom should be stopped. They think it has become commercialized. Families make lots of demands on the groom. They think this makes lobola look very bad. They argue that in Africa's past, a girl was an asset at home. and other household chores. She did the cooking When a family lost that child through marriage, it demanded payment. Today, they think that lobola has changed into a useless tradition. In this custom, a man is buying the right to control a woman. They say women are individuals with rights. In today's world, parents do not have to be paid for a bride because their male and female children are equal. They all work and make contributions to the household. They believe that paying lobola makes it seem like a man is buying a pair of shoes or a bicycle, instead of getting married. They also argue that it is often a financial burden for couples. It is too difficult for many people to pay the price asked. So, is lobola a rich tradition, bringing families together? Or is it an ugly custom of buying women? This debate continues in Botswana, as does the custom.

回答募集中 回答数: 0