điều hòa 1 cục cũ

... dưỡng máy điều hoà một cục 14 3 10 1 7 Nguyên lý làm việc máy điều hoà ghép 15 4 10 1 8 Hệ thống điện máy điều hoà ghép 20 4 15 1 9 Lắp đặt máy điều hoà treo tường 8.5 2 6 0,5 10 Lắp đặt máy điều ... 5 cuộn 10 Ống dẫn nước ngưng 50m 11 Đai ốc 10 50 cái 12 Xà phòng 10 kG 13 Gas R22 5 bình 14 Gas đốt 5 bìnhTT Các nguồn lực khác Số lượng 1 Cataloge của máy 15 bộ2 Tài liệu tham khảo 15 bộV. ... TH: 11 h) 1. Nguyên lý làm việc, phân loại máy điều hoà ghép Thờigian: 3h 1. 1. Nguyên lý làm việc máy điều hoà một chiều 1. 2. Nguyên lý làm việc máy điều hoà hai chiều 1. 3. Phân loại máy điều...

... chính là ưu điểm chính của điều hòa không khí loại 4 mùa (hình 1. 12). Hình 1. 11: Hệ thống điều hòa không khí loại bốn mùa 1. 1.5. Môi chất lạnh sử dụng trên hệ thống điều hoà không khí ôtô. ... (hình 1. 11) . Hình 1. 10: Hệ thống điều hòa không khí kiểu đơn + Loại cho tất cả các mùa: Loại này kết hợp một bộ thông gió với một bộ sưởi ấm và hệ thống làm lạnh. Hệ thống điều hòa này ... hơi tức thì. - 19 - 1. 2.3. Cấu tạo và hoạt động của từng bộ phận trong hệ thống điều hòa không khí trên xe FIAT . 1. 2.3 .1. Máy nén Máy nén trong hệ thống điều hòa không khí là loại...

... Tiết:5 Bài 3: ĐIỀU HÒA HOẠT ĐỘNG CỦA GENI. MỤC TIÊU: - HS trình bày được thế nào là điều hòa họat động của gen.- Mô tả, vẽ, trình bày được cơ chế điều hòa hoạt động của operon Lac ... quát về điều hòa hoạt động gen:Điếu hòa hoạt động của gen chính là điều hòa lượng sản phẩm của gen được tạo ra( chuỗi polipeptit và ARN) cho phù hợp với hoạt động sống của tế bào,với điều kiên ... trong cơ thể phải có cơ chế điều hòa hđ của các gen Kn -GV: sản phẩm hoạt động của gen là gì?- HS: (ARN và chuỗi polipeptit)-GV: như vậy điều hòa hđ của gen là điều hòa quá trình gì?-HS: qtr...

... li++Các ph n t c m ng 1. 1 Điều hoà âm tính Cơ chế điều hoà Sinh tổng hợp prôtêinF. Jacob và J Monod (19 61) : Giả thuyết điều hoà tổng hợp prôtit ở mức sao mà I. Cơ chế điều hoà phiên mà ở Procaryote ... chếmARNGen P Gen OI. Cơ chế điều hoà phiên mà ở Procaryote 1. 1 Điều hoà âm tínhChất ức chế gắn với điểm chỉ huy ngăn cảnquá trình phiên mà của Operon Cơ chế điều hoà Sinh tổng hợp prôtêinADN ... các enzym đượctổng hợp để hấp thu vàphân giải lacto. I. Cơ chế điều hoà phiên mà ở Procaryote 1. 1 Điều hoà âm tính Cơ chế điều hoà Sinh tổng hợp prôtêinADN Gen I Gen I Nhóm gen...

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... tổng hợp prôtêin vào lúc thích hơp- Điều hòa hoạt động gen: Điều hòa phiên mã, điều hòa dịch mã, sau dịch mã. SV nhân sơ, điều hòa chủ yếu là phiên mã. 1. Mô hình cấu trúc của opêron LacVí ... A). D. gen điều hòa (R), vùng vận hành, nhóm gen cấu trúc (Z, Y, A). II. ĐIỀU HÒA HOẠT ĐỘNG CỦA GEN Ở SINH VẬT NHÂN SƠ*Mỗi gen có vùng mã hóa và các vùng điều hòa Vùng điều hòa Vùng mã hóaPr ... đặc biệt → protein điều hòa bám vào → ngăn phiên mã.II. ĐIỀU HÒA HOẠT ĐỘNG CỦA GEN Ở SINH VẬT NHÂN SƠ*Mỗi gen có vùng mã hóa và các vùng điều hòa Câu 3. Trong mô hình điều hòa của Mônô và Jacôp...

... :gen : Điều hoà hoạt động gen chính là điều hoà lượng Điều hoà hoạt động gen chính là điều hoà lượng sản phẩm của gen tạo ra giúp tế bào điều chỉnh sản phẩm của gen tạo ra giúp tế bào điều chỉnh ... thực có những mức độ điều hoà nào ?-Có nhiều mức độ điều hoà qua nhiều giai đoạn : tháo xoắn ,điều hoà phiên mã và sau phiên mã, điều hoà dịch mã và sau dịch mã . 3 -Điều hoà hoạt động gen ... nhóm gen cấu trúc.và gen điều hoà Rnhóm gen cấu trúc.và gen điều hoà RĐ 2-Sự điều hoà hoạt động của 2-Sự điều hoà hoạt động của OpêronOpêron A Y Z O P R PGen điều hoà Opêron Lac Phiên...

... mô hình điều hòa hoàn toàn khác nhau, nhưng thường theo một trong hai kiểu chính: điều hòa âm tính và điều hòa 210 dương tính (Hình 7 .1) . Trong hệ thống điều hòa âm tính (Hình 7.1A) một ... bào. Điều hòa âm tính là phổ biến cho prokaryote, trong khi điều hòa dương tính lại phổ biến cho eukaryote. 1. Cấu trúc của operon Mô hình operon của điều hòa phiên mã Cơ chế điều hòa di ... 7 .1 Mô hình điều hòa âm tính (negative regulation) và điều hòa dương tính (positive regulation). A. Trong điều hòa âm tính, protein ức chế bám vào phân tử DNA, ngăn cản phiên mã B. Trong điều...

... (P)PCâu 2. Trong cơ chếđiềuhòahoạt động gen ở SV nhân sơ, gen điều hòa R có vai tròA. mang thông tin quy định enzim ARN- pôlimeraza.B. mang thông tin quy định prôtêin điều hòa. C. là nơitiếpxúcvới ... cơ ch điều hoà có thêm:Điểm khác nhau trong cơ chếđiềuhòahoạt động củagenởSV nhân thựcvànhânsơ?Thỏ HymalayaLông thỏ chuyểnmàuđen do kếtqu điều hoà hoạt động củagenỏ giai đoạnnào? Điều hoà ... nhân thựcADNTế bào nhân sơ (vi khuẩn)Câu 1. Thành phầncủa opêrôn Lac ở E.coli gồmA. gen điều hòa (R), nhóm gen cấu trúc (Z, Y, A). B. gen điều hòa (R), vùng khởi động (P), nhóm gen cấutrúc...

... chế…Vùng O của Operon được giải phóng, gen hoạt động …Câu 4.Gen điều hòa (R) mang thông tin tổng hợp protein ức chế, qua đó điều hòa hoạt động của operon ... môi trường có lactozơ. ARN polimerazaPhiên mãDịch mãLactozơ Câu hỏi và bài tập.Câu 1. Điều hòa sản phẩm (ARN, Pr…) qua các quá trình (phiên mã…)Câu 2.SGK Câu 3. Môi trường không có ... 2. Sự điều hòa hoạt động của operon Lac.pOZ YA. . .. . .RpPhiên mãDịch mãProtein ức chế...

... li++Các ph n t c m ng 1. 1 Điều hoà âm tính Cơ chế điều hoà Sinh tổng hợp prôtêinF. Jacob và J Monod (19 61) : Giả thuyết điều hoà tổng hợp prôtit ở mức sao mà I. Cơ chế điều hoà phiên mà ở Procaryote ... Cơ chế điều hoà phiên mà ở Procaryote 1. 1 Điều hoà âm tính C¥ CHÕ §IÒU HOµ HO¹T §éng cña gen C¬ chÕ ®iÒu hoµ Sinh tæng hîp pr«tªinII. Mét sè c¸c c¬ chÕ ®iÒu hoµ kh¸c: Cơ chế điều hoà ... của các gen cấu trúc* Tu nhu c u t ng giai o n m 1 loại prôtêin n o ó được tổng hợp.I. Cơ chế điều hoà phiên mà ở Procaryote Cơ chế điều hoà Sinh tổng hợp prôtêinADN Gen (R)Gen...

... CHƯƠNG 1 GIỚI THIỆU CHUNG VỀ HỆ THỐNG ĐIỀU HÒA KHÔNG KHÍ CỦA XE FIAT 1. 1. LÝ THUYẾT VỀ HỆ THỐNG ĐIỀU HÒA KHÔNG KHÍ (HỆ THỐNG ĐIỆN LẠNH ) TRÊN ÔTÔ. 1. 1 .1. Khái niệm chung. Kỹ thuật điều hòa ... hơi tức thì. - 19 - 1. 2.3. Cấu tạo và hoạt động của từng bộ phận trong hệ thống điều hòa không khí trên xe FIAT . 1. 2.3 .1. Máy nén Máy nén trong hệ thống điều hòa không khí là loại ... Đến bộ ly hợp buli máy nén. 10 .Thể hơi cao áp .11 .Thể lỏng cao áp. 12 .Thể lỏng thấp áp. 13 .Thể hơi thấp áp. 14 .Hơi cao áp bầu cảm biến. Thông thường, hệ thống điều hòa không khí ôtô có thể được...

... bào. Điều hòa âm tính là phổ biến cho prokaryote, trong khi điều hòa dương tính lại phổ biến cho eukaryote. 1. Cấu trúc của operon Mô hình operon của điều hòa phiên mã Cơ chế điều hòa di ... 7 .1 Mô hình điều hòa âm tính (negative regulation) và điều hòa dương tính (positive regulation). A. Trong điều hòa âm tính, protein ức chế bám vào phân tử DNA, ngăn cản phiên mã B. Trong điều ... hóa phiên mã. Điều hòa âm tính và dương tính không loại trừ lẫn nhau. Một vài hệ thống là cả điều hòa âm tính và dương tính, sử dụng cả 2 hệ thống điều hòa để phản ứng với các điều kiện khác...

... bào. Điều hòa âm tính là phổ biến cho prokaryote, trong khi điều hòa dương tính lại phổ biến cho eukaryote. 1. Cấu trúc của operon Mô hình operon của điều hòa phiên mã Cơ chế điều hòa di ... 7 .1 Mô hình điều hòa âm tính (negative regulation) và điều hòa dương tính (positive regulation). A. Trong điều hòa âm tính, protein ức chế bám vào phân tử DNA, ngăn cản phiên mã B. Trong điều ... Hình 7.5 Điều hòa của trp operon ở E. coli A. Protein aporepressor không bám được vào operator, phiên mã xảy ra. 210 dương tính (Hình 7 .1) . Trong hệ thống điều hòa âm tính (Hình 7.1A) một...