The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 128
... virus , which had been naturally pro- duced by a living organism , was separated into its compo- nent parts by chemical procedures . When these separate parts were tested for biological activity , they were found to be inert , that is ...
... virus , which had been naturally pro- duced by a living organism , was separated into its compo- nent parts by chemical procedures . When these separate parts were tested for biological activity , they were found to be inert , that is ...
Page 136
... virus , characterized by relatively small size , simple composition , and the need to grow in a living cell . The taxonomy of intermediate organisms is set forth in the following subjects : C , the monerans , such as blue - green algae ...
... virus , characterized by relatively small size , simple composition , and the need to grow in a living cell . The taxonomy of intermediate organisms is set forth in the following subjects : C , the monerans , such as blue - green algae ...
Page 172
... Viruses : replication of virus molecules at the expense of host molecules ( e.g. , transduction ) b . Single - celled organisms ; e.g. , bacteria , protozoans 15 : 677d - h / 5 : 625d - g / 15 : 716d - 717h 19 : 165c - 167b 5 : 639h ...
... Viruses : replication of virus molecules at the expense of host molecules ( e.g. , transduction ) b . Single - celled organisms ; e.g. , bacteria , protozoans 15 : 677d - h / 5 : 625d - g / 15 : 716d - 717h 19 : 165c - 167b 5 : 639h ...
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20th century administration Africa animals articles article sections articles referred arts Asia atomic basic behaviour biological Buddhism cells century characteristics chemical Christian civil classification communication concept cultural deals diseases distribution diverse Division II Division II headnote dynasty Earth economic effects elements Empire energy environment European evolution factors forms functions genetic goes groups growth headnote see page Hinduism Historical development Hominidae human hydrosphere Indian industry influence interactions Islām language literature logic Macropædia main subjects mathematics mechanisms methods military modern movements nature nuclear nuclear fission organization origin outline of subject outline treats passim period philosophy physical plants political problems processes production Propædia properties reactions reforms relation religion religious role sciences sections of Division sections other references social society Southwest Asia structure subject A begins Taoism techniques theory tion tissues types waves Western World War II