Предмет: Биология, автор: Аноним

чому не можна синтезувати білок безпосередньо з амінокислот?Як їх треба модифікувати,аби вони змогли утворити біополімер?Даю 35 балов

Ответы

Автор ответа: arseniymayer
11

Білки-це високомолекулярні органічні сполуки, які складаються з вуглецю, водню, кисню, сірки та азоту. До складу деяких білків входить фосфор, а також катіони металів.

Білки є біополімерами, які складаються з мономерів амінокислот. Їх молекулярна маса варіюється від декількох тисяч до декількох мільйонів, в залежності від кількості амінокислотних залишків.

До складу білків входить всього 20 типів амінокислот з 170, знайдених в живих організмах.

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6. He (to write) the play in 1798.
a) written b) were writing c) wrote d) has written
7. you (to hand in) compositions already?
a) Have … handing b) Have … handed c) Was … handing d) Did … hand
8. Who (to write) this letter?
a) writing b) was written c) wrote d) did write
9. The girls just (to pick) these flowers.
a) has picked b) has been picken c) were picking d) have picked
10. They always (to send) for this professor in difficult situations.
a) sending b) sent c) sended d) send
11. Sir Christopher Wren (to build) the St. Paul’s Cathedral.
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a) can b) may c) must d) have to
13. … you turn the music down, please.
a) can b) could c) may d) might
14. If you want to improve your English you … work hard.
a) can b) must c) are to d) could
15. Mother, … I go to the country tomorrow?
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