T.Blog.B.01.05.Bai toan ve phien ma

www.tuhoc.edu.vn Các TOPPER Chú ý (3' 5') sung T U mt; G T mt; X mt mt htttp://tuhoc.edu.vn/blog www.tuhoc.edu.vn VD1: 3' … T – A – X – G – X – T – X – A – A – X – G – T – A – X … 5' TOPPER Chú ý mARN 5'… A – U – G – X – G – A – G – U – X – U – G – A … 3' 3' – 5' 5' – 3' 3' … TAX – TGX – AAX – XGA – XAT – AXT … 5' A) 5' … ATG – AXG – TTG – GXT – GTA – TGA … 3' B) 5' … AUG – AXG – UUG – GXU – GUA – UGA … 3' C) 3' … AUG – AXG – UUG – GXU – GUA – UGA … 5' D) 3' … ATG – AXG – TTG – GXT – GTA – TGA … 5' 3' … GAT – AGX – XAT – XGA – GXT – GTA … 5' A) mARN 5' … AUG – UXG – AGX – UAX – XGA – UAG … 3' B) mARN 3' … AUG – UGX – AGX – UAX – XGA – UAG … 5'' C) mARN 5' … AUG – UGG – AGX – UUX – XGA – UAG … 3' D) mARN 5' … AUG – UGX – AGX – UAX – XGA – UAG … 3' 5' … AUG – AGX – GGX – UUX – XUA – UAG … 3' A) 3' … ATG – AGX – GGX – TTX – XTA – TAG … 5' B) 3' … TAX – TXG – XGG – ATG – GAT – ATX … 5' C) 5' … TAX – TXG – XXG – AAG – GAT – ATX … 3' D) 3' … TAX – TXG – XXG – AAG – GAT – ATX … 5' htttp://tuhoc.edu.vn/blog www.tuhoc.edu.vn ARN ; rU = A ; rG = X ; rX = G rA + rU = Agen = Tgen rG + rX = Ggen = Xgen %A = %T = %rA %rU %G = %X = %rG %rX VD2: = 250 nuclêôtit; X1 Ta có: T1 = rA = 250 A1 = rU = A – T1 = 200 X1 = rG = 550 G1 = rX = G – X1 = 450 4–5 Å, có A = 500 nuclêơtit A1 = 240 nuclêơtit G1 = 380 có A) rA = 240; rU = 260; rG = 380; rX = 120 B) rA = 260; rU = 240; rG = 120; rX = 380 C) rA = 260; rU = 240; rG = 380; rX = 120 D) rA = 240; rU = 260; rG = 120; rX = 380 A) rA = 240; rU = 260; rG = 380; rX = 120 B) rA = 260; rU = 240; rG = 120; rX = 380 C) rA = 260; rU = 240; rG = 380; rX = 120 D) rA = 240; rU = 260; rG = 120; rX = 380 htttp://tuhoc.edu.vn/blog www.tuhoc.edu.vn –1 k k –n thành A) k × n×k B) C) D) A) 15 B) C) 10 D) 25 A) 12 B) 20 C) 24 D) 30 A) B) 12 C) 18 D) 24 A) 16 B) 32 C) 8 A D) htttp://tuhoc.edu.vn/blog www.tuhoc.edu.vn – LADN = LARN = N × 3,4 Å = rNu × 3,4 Å – MARN = rNu × 300 = N × 300 = Mgen 2 rNu = N MARN = 300 VD3: – LADN = LARN = N 1200 × 3,4 Å = 2 – MARN = rNu × 300 = 3, = 2040 Å N 1200 × 300 = 2 300 = 180.000 B A) L ARN = 1700 Å; MARN B) L ARN = 3400 Å; MARN C) L ARN = 4800 Å; MARN D) L ARN = 3400 Å; MARN C A) 5100 Å B) 4080 D C D) 1020 Å phiên mã A) 1200 nuclêôtit? B) 3200 C) 800 D) 1600 htttp://tuhoc.edu.vn/blog www.tuhoc.edu.vn TOPPER Chú ý k dùng n – nhân rNu= k × rNu = k × n N rA = k × rA = k × T ; rG = k × rG = k × X ; rU = k × rU = k × A rX = k × rX = k × G VD3: ribơnuclêơtit – LADN = LARN = 1020 = rNu × 3,4 Å – rNu = 1020 = 300 3, rNu = 300 × = 600 E A) 6000 B) 3000 F C) 4500 D) 1500 ribônuclêôtit A) 3400 B) 5000 Å C) 10000 D) 2500 G = 300 nuclêôtit; X1 A) rA = 300; rU = 600; rG = 900; rX = 1200 B) rA = 600; rU = 300; rG = 900; rX = 1200 C) rA = 600; rU = 300; rG = 1200; rX = 900 D) rA = 300; rU = 600; rG = 1200; rX = 900 htttp://tuhoc.edu.vn/blog www.tuhoc.edu.vn Câu B A D B A A B C Câu B A B C D E F A B A D C B G C htttp://tuhoc.edu.vn/blog  ... GXT – GTA … 5' A) mARN 5' … AUG – UXG – AGX – UAX – XGA – UAG … 3' B) mARN 3' … AUG – UGX – AGX – UAX – XGA – UAG … 5'' C) mARN 5' … AUG – UGG – AGX – UUX – XGA – UAG … 3' D) mARN 5' … AUG – UGX... 3,4 Å – MARN = rNu × 300 = N × 300 = Mgen 2 rNu = N MARN = 300 VD3: – LADN = LARN = N 1200 × 3,4 Å = 2 – MARN = rNu × 300 = 3, = 2040 Å N 1200 × 300 = 2 300 = 180.000 B A) L ARN = 1700 Å; MARN B)... 1200 × 300 = 2 300 = 180.000 B A) L ARN = 1700 Å; MARN B) L ARN = 3400 Å; MARN C) L ARN = 4800 Å; MARN D) L ARN = 3400 Å; MARN C A) 5100 Å B) 4080 D C D) 1020 Å phiên mã A) 1200 nuclêôtit? B) 3200