Vẽ lá cờ Việt Nam đẹp vào nhé,ai ko đẹp=>không yêu nước -ăn mừng hsg⭐⭐⭐⭐⭐

1. Một gen ở vi khuẩn E. coli có 2298 liên kiết hóa trị nối giữa các nuclêôtit và có hiệu số giữa nuclêôtit loại ađênin với một loại nuclêôtit khác không bổ sung là 6% tổng số nuclêôtit của gen. a. Xác định tỉ lệ phần trăm từng loại nuclêôtit của gen? b. Tính số liên kết hiđrô có trên gen? 2. Ở ruồi giấm, 2n = 8. Một nhóm tế bào sinh dục đang thực hiện quá trình giảm phân có tất cả 128 nhiễm sắc thể kép. Nhóm tế bào này đang ở kì nào? Tính số lượng tế bào ở thời điểm tương ứng.

Giúp em giải chi tiết nhanh câu này vs ạ e cần gấp

Năm nay tổng số tuổi của chị và em là 19 tuổi biết rằng chị hơn em 5 tuổi . Hỏi 3 năm nữa em bao nhiêu tuổi

tính diện tích hình thang ABCD, biết AB=4 cm, CD=25 cm, AD=10 cm, BC=17 cm

Trình bày cấu tạo, kí hiệu, phân loại và công dụng của điôt bán dẫn.

21 Mark the letter A, B, C or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions. Question 12. Do you adore skateboarding in the park this Sunday. A. dislike B. enjoy C. fancy D. love 22 Choose the sentence so that it has similar meaning to the first one. Question 22. She likes to hang out with friends on Saturday evening. A. She’s interested in hanging out with friends on Saturday evening. B. She’s keen in hanging out with friends on Saturday evening. C. She’s interested in hang out with friends on Saturday evening. D. She’s fancy hanging out with friends on Saturday evening. 23 Choose the word whose underlined part is pronounced differently from the others. A. satisfied B. bored C. socialized D. hooked 24 Choose the word whose stressed pattern is pronounced differently from the others. A. community B. detest C. addicted D. leisure 25 Mark the letter A, B, C or D to indicate the word(s) CLOSEST in meaning to the underlined word(s) in each of the following questions. Question 11. My mother usually spends her free time looking after her cats. A. taking over B. looking at C. taking care of D. taking after

vẽ con cá đang zui zẻ bới dưới nước :] * tìm mụ già với mụ vicky mụ già : + tên mụ mun + k8 vicky : +tên vicky + k?? mấy không rõ T^T * tui tuyên bố tui không sợ mấy người đâu tưởng thịt tui mà dễ à bắt tui còn chưa được nữa là làm lẩu cá T^T

Nếu tụ điện C1 hoặc C2 trên hình 7 - 7 bị đánh thủng thì sẽ xảy ra hiện tượng gì?

15 Read the passage carefully, then choose the correct answers. The latest addiction to trap thousands of people is the Internet, which has been blamed for broken relationships, job losses, financial ruin, and even suicide. Psychologists now recognize Internet Addiction Syndrome (IAS) as a new illness that could cause serious problems and ruin many lives. IAS is similar to other problems like gambling, smoking and drinking: addicts have dreams about the Internet; they need to use it as the first thing in the morning; they lie to their parents and partners about how much time they spent online; they wish they could cut down, but are unable to do so. A recent study found that many users spend up to 40 hours a week on the Internet. Some of the addicts are teenagers who are already hooked on computer games and who find it very difficult to resist the games on the Internet. Internet addicts find it hard ___________. A. to lie about the time they spent online B. to use the Internet in the morning C. to spend more time on the Internet D. to spend less time on the Internet 16 Choose the best answer a, b, c or d to complete the sentence. Question 10. My favorite hobby is ______. I spend most of my free time making vases and bowls from clay. A. model making B. woodcarving C. bird watching D. pottery making 17 Choose the word whose stressed pattern is pronounced differently from the others. A. teenager B. event C. relax D. adore 18 Read the passage carefully, then choose the correct answers. The latest addiction to trap thousands of people is the Internet, which has been blamed for broken relationships, job losses, financial ruin, and even suicide. Psychologists now recognize Internet Addiction Syndrome (IAS) as a new illness that could cause serious problems and ruin many lives. IAS is similar to other problems like gambling, smoking and drinking: addicts have dreams about the Internet; they need to use it as the first thing in the morning; they lie to their parents and partners about how much time they spent online; they wish they could cut down, but are unable to do so. A recent study found that many users spend up to 40 hours a week on the Internet. Some of the addicts are teenagers who are already hooked on computer games and who find it very difficult to resist the games on the Internet. The word ‘it’ in paragraph 2 refers to ___________. A. IAS B. the Internet C. computer D. dream 19 Read the passage carefully, then choose the correct answers. The latest addiction to trap thousands of people is the Internet, which has been blamed for broken relationships, job losses, financial ruin, and even suicide. Psychologists now recognize Internet Addiction Syndrome (IAS) as a new illness that could cause serious problems and ruin many lives. IAS is similar to other problems like gambling, smoking and drinking: addicts have dreams about the Internet; they need to use it as the first thing in the morning; they lie to their parents and partners about how much time they spent online; they wish they could cut down, but are unable to do so. A recent study found that many users spend up to 40 hours a week on the Internet. Some of the addicts are teenagers who are already hooked on computer games and who find it very difficult to resist the games on the Internet. What is the best title of the passage? A. Hooked on the Net B. A guide to the Internet C. Impact of Internet on teens D. The advantage of the Internet