The Encyclopedia Americana, Količina 17Grolier Incorporated, 2002 |
Iz vsebine knjige
Zadetki 1–3 od 50
Stran 420
... acids : deoxyribonucleic acid ( DNA ) and ribonucleic acid ( RNA ) . Both are constructed of long chains of three kinds of constituents : a base ( a nitrogen - containing or- ganic compound ) , a sugar ( ribose in RNA , de- oxyribose in ...
... acids : deoxyribonucleic acid ( DNA ) and ribonucleic acid ( RNA ) . Both are constructed of long chains of three kinds of constituents : a base ( a nitrogen - containing or- ganic compound ) , a sugar ( ribose in RNA , de- oxyribose in ...
Stran 422
... acids are the units that , when attached together , form the extremely important biopolymers , the proteins . Soon after the Miller - Urey work was announced , other workers showed that similar ex- periments led to sugars , to nucleic - ...
... acids are the units that , when attached together , form the extremely important biopolymers , the proteins . Soon after the Miller - Urey work was announced , other workers showed that similar ex- periments led to sugars , to nucleic - ...
Stran 423
... acid core of the virus is covered by a kind of overcoat of protein , without which the nucleic acid shows no infectivity . The protein and nucleic acid may be detached from each other by suitable treatment in the laboratory . When this ...
... acid core of the virus is covered by a kind of overcoat of protein , without which the nucleic acid shows no infectivity . The protein and nucleic acid may be detached from each other by suitable treatment in the laboratory . When this ...
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