The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 18
... living material in a mem- brane , the next step was the organization of DNA into nuclei in each cell , with chromosomes bearing the genes in linear order . Such organisms are called eucaryotes and include all organisms above bacteria ...
... living material in a mem- brane , the next step was the organization of DNA into nuclei in each cell , with chromosomes bearing the genes in linear order . Such organisms are called eucaryotes and include all organisms above bacteria ...
Page 310
... living east of the Ob River , and the Voguls ( who call themselves Mansi ) , numbering more than 7,000 and living west of the Ob River . The other branch of these people spread southward and made contact with the Bulgar Turks and the ...
... living east of the Ob River , and the Voguls ( who call themselves Mansi ) , numbering more than 7,000 and living west of the Ob River . The other branch of these people spread southward and made contact with the Bulgar Turks and the ...
Page 565
... living archaic forms , the horseshoe crabs deserve to be called " living fossils . " The Eurypterida , or sea scorpions , have become famous both because of the excellently preserved specimens known and the giant size of certain species ...
... living archaic forms , the horseshoe crabs deserve to be called " living fossils . " The Eurypterida , or sea scorpions , have become famous both because of the excellently preserved specimens known and the giant size of certain species ...
Contents
would become the principal reserve asset while gold | 36 |
Excretion the elimination of the waste products of | 50 |
Volumes | 431 |
Copyright | |
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acid activity amount animals appears become blood body called carried cause cells century changes chemical close common complete consists containing continuous countries depends direction early effect evidence evolution example existence farm federal ferns fibres field Figure fire function gametophyte give groups important increase interest Italy kidney known later leaves less light lines living major marriage material means ment method move movements muscle natural normal obtained occur organs origin percent period person plants position possible present pressure problems produced properties protection reduced remain renal response result retina selection similar social species structure supply surface temperature tend tion types United urine usually various vary