Một chuỗi polypetid hoàn chỉnh có 248 axit amin. a) Xác định số bộ ba trên mARN. b) Xác định số nu trên gen quy định để tổng hợp protein đó. c) Xác định số liên kết peptid có trong chuỗi polypetid đó.

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V. Use the given words or phrases to make complete sentences: 1. Lan/ parents / drive / stadium / moment ………………………………………………………………………. 2. Hung / usually / play basketball / but / sometimes / sailing. ……………………………………………………………………….. 3. There / twenty boys / twenty- one girls / this class. ……………………………………………………………………….. 4. What time/your classes/start/end? -> ……………………………………………………..……………..? 5. My friend / not live / parents / Viet Tri. ……………………………………………………………………….. 6. Canada / not small. / It / very big country. ……………………………………………………………………….. 7. It / seven thirty /! We / late / school. ……………………………………………………….. 8. Minh/ live/ brother/ apartment/ town. …………………………………………………………………. 9. Mrs. Lan/ and/ children/ travel/ London/ plane. …………………………………………………………………………………………………………… 10. She/go/swim/once a week. ->..................................................................................................... 11. Lan/ Ly/ go/ bookstore/ buy/ books/ now. …………………………………………………………………………………………………………… 12. I/ not like/ winter/ because/ it/ very cold. …………………………………………………………………………………………………………… 13. Many plants/ animals/ danger/ because /we /destroying /them. …………………………………………………………………………………………………………… 14. Ba / usually / play tennis / fall/ but/ sometimes/ sailing. …………………………………………………………………………………………………………… 15. Mrs. Ngoc/ going/ buy/ some toys/ children? …………………………………………………………………………………………………………… 16. Tony / often / play soccer / fall / but / sometimes / sailing. ->………………………………………………………………………………………………………… 17. She / live / house / beautiful flowers garden / front / it. ->………………………………………………………………………………………………………… 18. How much / beef / you / want /? ->………………………………………………………………………………………………………… 19. I / not / want / eat anything / because / not / hungry. ->………………………………………………………………………………………………………… 20. Thuy/ not/ visit/ her grandparents/ next summer vacation/ but/ she/ visit/ her friend/ London. ->………………………………………………………………………………………………………… 21. What/ you/ going/ do/ your/ vacation/ ? - Stay/ home -> ………………………………………………………………………………………………….. 22. How/ Mr John/ going/ stay/ Vietnam/ ? – For 4 weeks. -> ………………………………………………………………………………………………….. 23. He/ learn/ drive/ motorbike/ moment. -> ………………………………………………………………………………………………….. 24. They/ study/ best/ school. -> ………………………………………………………………………………………………….. 25. What/ popular /sport/ country/ ? – soccer. -> ………………………………………………………………………………………………….. 26. Who/ famous/ singer/ country / ? -> ………………………………………………………………………………………………….. 27. You/ usually/ brush/ teeth/ before/ go/ bed/ ? – Yes/… -> ………………………………………………………………………………………………….. 28. Country/ cheap/ and/ safe/ city. -> ………………………………………………………………………………………………….. 29. we/ collect/ paper/ metal /plastic/ recycle. -> ………………………………………………………………………………………………….. 30. People/ destroy/ environment / now. -> ………………………………………………………………………………………………….. 31. You/ should / damage/ tree/ pick / flowers. -> ………………………………………………………………………………………………….. 32. population/ word/ grow/ now. ->………………………..……………………………………………….. 33. There / be / small / pond / front / Lam / house. ........................................................................................... 34. You / can / games / afternoon / but / must / homework / evening. -> ………………………………………………………………………………………………….. 35. Lan / walk / ride / bike / school? -> ………………………………………………………………………………………………….. 36. When / it / hot / we / often / go / swim. -> ………………………………………………………………………………………………….. 37. What / there / front / your house? -> ………………………………………………………………………………………………….. 38. Where/ your father/ sit/ now? -> …………………………………………….………………..? 39. My class/ start/ seven/ morning. -> ………………………………………………………………………………………………….. 40. I/ not often/ swimming/ friends. -> ……………………………………………………….. 41. Huy/ read/ book/ sister/ sing/ English song now. -> ………………………………………………………………………………………………….. 42. John / always feel happy / when / come home . ………………………………………………………… 43. The party / start / seven ? ………………………………………………………… 44. She / buy / food / drink / the party. ………………………………………………………… 45. She / standing / the right / her house / now . ……………………………………………………………. 46. That apartment / most suitable / their family . ……………………………………………………………. 47. What time / Nga / get / morning? -> ………………………………………………….. 48. You / can / games / afternoon / but / must / homework / evening. -> …………………………………………………….. 49. Lan / walk / ride / bike / school …………………………………………………….. 50. When / it / hot / we / often / go / swim. -> ………………………………………………….. 51. What / there / front / your house? -> ………………………………………………….. 52. If / you / not feel / well / should / see / doctor. ………………………………………………….. 53. What color / your baby / eyes? -> ………………………………………… 54. My father / 4 years / old / mother. -> ………………………………………………… 55. Hoa / learn / languages / bad. -> ………………………………………………