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生物 高校生

分子系統樹がこのようになる訳を教えてください‼︎ お願いします🤲

Mgグ0 やき っのEEE:議較| >了生馬軸の人 分子系統樹は DNA の塩基配列の変化の情報をもとに推定される。特定の 遺伝子を構成する DNA の塩基配列を 2 種の生物問で比較すると。 多くは同 じだが異なる塩基もある。これは DNA に突然変異が生じた結果であり、こ の違いの程度が小さいほど 2 種の生物は近緑であると考えられる。こうした 比較を多くの生物間で行うことは分子系統樹を作成する方法の 1 つである。 考察1. 表1は, あ 〇表1 種X. AB, C, Dの特定の DNA の塩基配列 る生物群(種X、A 種 塩基配列 BC D) に関し |竹X|CAAGGCATGGTATAAGTGGTGGTATTAAAG て特定のDNAの |種A ・・CCAT・AT・・TA・・Tッ・・・・*G・C・・・TT 塩基配列を調べ, |種Bl・TG・AT・・C・ATATTTG・C・・CA・CC・G・C 並べたものである。|種C|・TC・AT・・T・ATA・TTG・C・・CA・CC・GTG 種D|・TG・AT・・C・ATATTAG・C・・CA・CC・G・C 種Xと同じ塩基の 易合は「・]で示してある。分子系統樹をつくる前段階として, 種間の環基 の相人違数を数え, 表TLの空欄を埋 〇表T 種AX間の塩基の相由数 めて完成させよ。 考察2. 考察 1 の結果をもとにして, 種A~ D 間の系統関係を推定し, 分子系統樹の表し訪はいくつかある。 ここで用いる平均距離法 (UPGMA 法: unweighted pair group method with arithmetic mean) は各生 グ 物種の進化速度が一定であると仮定したものである。 [| 避 い : 才Tか5衣Tも提促6。 |権<| ル を7 をもとに6入樹を<2。 9章 ・3・

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英語 高校生

問1、2 分かる方、いらっしゃいますか?? 回答、解説をよろしくお願いします。

5 次の英玉を読んで, 以下の設問に答えよ。 (配点50上 | For over one hundred milion years, sea turtles have SWum in the Pacific and | ndian Oceans、They are an important lmk im marine *ecosystems and help to keep coral reefs and other species of marine Hfe healthy through their diet. They not only 「Dlay an inportant role in keeping the OceanS clean, but they also have large touriSmm and cultural value to humans. Unfortunately, they are in great danger. | Climate change and *overfishing are *threatening the seven Species of sea turtle that exist today. "The World Wildlife Fund (WWF) considers that five.of the seVen species are likely to become endangeredL. The WWF has made some progreSs with | the problem by asldng *fishers to use *turtle-friendly hooks when they catch their fish. One problem that continues to grow in S126, however, js plastic. The Pacific Ocean is home to hundreds of thousands of sea turtles, but 直 S also home to the worst plastic pollution in the world、 gte *Great Pacific Garbage Patch is located in the north part of the Pacific AA Tt contains over three and a palf milion tonS of trash and ijS often called a "plasHc island.′ The “island” is about six meters deep and spreads over an area Of about 700000 sauare kilometers. This js ame SiZe as Texas, the second- ]argest State mn the United States. about the 8 lastic tash in the se4 is a major problem for turtles. e They often mistake the floatin ieces Of lastic for jellyfish. These pieces of plastic they eat can become ped inside the 【 turtles cannot do anything to remnove unwanted items from ther stomachs. 0 urtles' stomachs and prevent them from being able to eat. Unlike 2 hurnanS, humans must invent a solution to the problem they created.

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英語 高校生

英語の長文問題で 出来る方、回答を教えてください!!

With the rising cost of oil and concern about め 6R 上Eo around the world are looking 誰: cheaper/renewabk WayS to produce( ア :/ ag we haYe had success using wind turbimnes_to_ larneSS wind energy CuSimg_solar_panels_tO Overt energy from the sun/ Another energy SOurCe that is getting more and Tore_attention_3e_tidal_powey/ which uses underwater.turbimeS ネo_Capture P に 0 has rarely been_utij ed-trtttHnomW. TO 86 However。 development/costs haye-eeme-dowm_recently, and technological improvements have made tdal power 8eneration easible.in more locatiorts_than_before-. As tidal power comes-eoser.to (、エ ) he next renewyable technologyCtis abou to get # big-tesb m e world's_largest underwater turbine Was installed_off the . coast of Scotland. /Designe -by antis OUTC( こ 1 1800_tons, iS Over 22 meters 0 a r f .コ8 meters. It is estimated that the.( ょdouble-turbine AK-1000 will initially produce 1 megawa大of_ energy。 or enough energy to power_about_1.000 homesS_By 2020)( ヵ ), engimeers_estimate that the-、 0 / Despite its 1 an energy《 キ ),many_queStions remaim abo jabザ idal poweW- For 選 _example pact me hife is largehrunknow "The( ク ) of the AK-1000 claim fhaf- its-turbine any_wildiifeJ but it wil やe neCessary_to_monitor_the_actual- impacf on sea ITe. Also, (he best sites for idalpowertendLto_have the biggest waves_aad{ ケ )currentsy making it di7culf もoistall and maintain equipment、 At their site of the coaSt of northerm Scotland, engineers workimg on the AK-1000_can-expect-rough_Seas_and-an average temperature of eleven degrees CelsiuS. 6 The ( コ ) of gdal power iS still umcl 1 and poliey: YS wi sely_watching the AKc1000.to see w er tidalpower.can become.a mainstrearrSouree-of renewable-ene HGも1CT td2】

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