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生物 高校生

遺伝子の発現の流れが分かりません。 この6つの図の意味は理解出来ますが、それぞれがいつどこでとの順番で行われているのかが分かりません。 それぞれ場所と、順番を教えて頂きたいです💦

クトースがあるとき グルコースがなくラ トリプト 過剰にあるとき フ ァンが 酵素合成の誘導 [プロモーター 調節遺伝子 DNA- 転写↓ mRNA 合成 [リプレッサー DNA 「酵素合成の抑制 調節遺伝子 転写 ↓ mRNAM 合成 ↓ 不活性型の リプレッサー 転写調 |節領域 RNAポリメラーゼ ラクトースの代謝 産物が結合すると かぎが外れる 18 プロモータ トリプトファン | が結合すると 【かぎがかかる の調 [調節タンパク質] オペレーター 構造遺伝子 移動 CH トリプト ファン ↓ 転写 MmRNA 凸 合成 00 ■ラクトース - ラクトース分解酵素 ○○○ ラクトースが分解される ・オペレーター 構造遺伝子 転写されない 「RNAポリメラーゼが結合し ないのでオペロンははたら かない。 そのため, トリプト ファン合成酵素は合成され ず, トリプトファンの合成は 止まる ラクトースの代謝産物 が誘導物質となってリ プレッサーと結合し、リ プレッサーがオペレー ターから離れるため, RNAポリメラーゼはプ ロモーターに結合する ことができる。そのた め, ラクトース分解酵 素遺伝子がはたらき , ラクトース分解酵素の 合成が開始される。 トリプトファンが結合 して活性型となったリ プレッサーがオペレー ターと結合するため, RNAポリメラーゼはプ ロモーターに結合する ことができない。 その ため, トリプトファン 合成酵素遺伝子ははた らかず トリプトファ ン合成酵素の合成は起 こらない。 グルコースがなくアラビノースがあるとき,調節タンパク質に • mill late 13 Ek -DNA 〔基本転写因子 転写複合体 →遺伝子 プロモーター RNAポリメラーゼ

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英語 高校生

TOEIC PART7の問題なのですが、19番の回答はCであっていますか?

ed as S Link 次の文書を読んで最も適切な選択肢を選びましょう。 Jeff Francis [10:32 A.M.]: Hi all. We're scheduled to ship our latest printers to Deluxe Insurance at noon. Are your preparations going smoothly? Amelia Morris [10:33 A.M.]: This is Amelia in merchandise. I've gathered all the printers and moved them to the packing area. Now I'm busy handling another order. Lily Trenton [10:34 A.M.]: This is Lily in packing. I've finished packing half of the printers and am working on the rest now. Can anybody help me move the printers to the shipping area? Jeff Francis [10:35 A.M.]: OK. I'll go there right away. How long do you think it'll take to finish packing them? Lily Trenton [10:36 A.M.]: I guess it'll take thirty minutes. Tony Martinez [10:37 A.M.]: This is Tony in shipping I'll be there soon. We're ready to load the printers into our trucks. CheckLink Jeff Francis [10:38 A.M.]: Thanks all. I'm relieved. I think we'll be able to ship them ahead of schedule. 18. Who most likely is Mr. Francis? (A) A regular customer (B) A security guard (C) An office manager (D) A truck driver 19. What is suggested about Ms. Morris? (A) She has finished packing half of the products. (B) She will not be able to help Ms. Trenton. (C) She is ready to load the products to a truck. (D) She is not responsible for gathering items. 20. At 10:38 A.M., what does Mr. Francis most likely mean when he writes, "I'm relieved"? (A)He is happy that he can extend the deadline. (B) He is sure that he can handle the situation. (C) He thinks he can ask for some help. client

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英語 高校生

お願いします! よろしくお願いします!

■■ Exercises 1 空所に入る適切な語句を下から1つ選びなさい。 (1) She sat all afternoon ( ) TV. ① watching ② was watching ③ had watched ④ watched (2) ( ( ) his brothers, who both play the piano, Rick has no musical talent at all. ② Because of 1 Unlike ③ Between 4 As to (センター追試) いとは違って ① ) the late arrival of his plane. ③ in place of ④ in case of (センター本試) (3) Dr. Miller was unable to give his speech ( ① according to 2 due to After Your Lesson (センター追試) [ ]内の語句を並べ替えて英文を完成しなさい。 並べ替え箇所のみ書きなさい。 (1) I hiked a couple of hours from the mountaintop down to the lodge. I finally got to the bus stop[another / following / minutes' / thirty / walk ]. (センター追試) 【語句】 make sure that ~「~ということを確かめる」 permission 「許可」 【語句】 lodge 「山小屋」 (2) We made sure that the gate [no one / was / come into / so / could / that locked] the factory without permission. (センター本試) 3 下線部を日本語に直しなさい。 Interpol is an international police organization that promotes cooperation among more than 180 nations to fight against international crime. Unlike the image created in films and TV movies, Interpol agents do not travel freely from country to country, (センター本試) arresting criminals here and there. インターポールは,国際犯罪と戦うために 180を超える国々の間の協力を促進する国際的な警察組織 である。 【語句】 criminal 「犯罪者」 create 「~を作り出す」 agent 「捜査官」 arrest 「~を逮捕する」 | Unit 13 予習・復習

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英語 高校生

ある塾の英語の長文テストなんですけど、問一の答えが順番に、3.2.4と書いてるんですが全く納得いきません。Part1が4でなく、3なのはまあ百歩譲れますが、Part3が4になる意味が分かりません。風力発電の環境面での利点なんて一文字も書いてない気がします 問題の作成ミスでし... 続きを読む

You are preparing for a speech about alternative energy forms. You have found a journal article about wind energy. You are going to read the article and take notes. Wind Energy [Part 1] Scientists are always looking for more sustainable and cost-effective forms of energy, and many people believe wind energy is the best option available. Wind is a product of heat from the sun, so the energy supply will never run out. Wind does not pollute the air, water, or ground as it produces energy. Another major benefit of wind energy is that it requires no water. In contrast, traditional forms of energy production all require water for cooling. Due to its efficiency, scientists have worked to increase the capacity of wind production units. They hope to develop wind energy into a large-scale alternative to fossil fuels. [Part 2] Wind energy can be produced using offshore wind or land-based wind. The primary benefit of offshore wind collection is that it is more efficient because offshore wind blows more consistently and with more power than land-based wind. To take advantage of the steadier wind, offshore wind production units are bigger and have more capacity. Therefore, the energy acquired from offshore wind can produce significantly more electricity than land-based wind energy. Wind production units located in the sea off the coasts of big cities can efficiently provide energy to many people, while land-based wind production units take up valuable land space and require complicated transportation efforts. However, since it is a newer technology, offshore wind energy is currently more expensive than land-based wind energy. [Part 3] Even though it actually has ancient roots, producing energy from wind is usually thought of as a modern alternative to burning fossil fuels. Initially, wind energy provided power for electricity. But during the mid-20th century, it was replaced by fossil fuel resources. Unfortunately, the pollution created from the burning of fossil fuels is a major cause of global warming. This has forced scientists to develop more sustainable and cost-effective forms of wind energy. Currently, most offshore wind resources are located in coastal waters which are too deep for current wind energy technology. However, engineers are working to develop floating production units that can withstand the hard environment of the ocean, such as storm waves, hurricane-force winds, and ice flows. These developments offer wind as an effective source of energy without damaging the environment. Complete the notes by filling in 1 to Outline: Part 1: 8 Notes

解決済み 回答数: 1