Science: v.1-v.219Moses King, 1964 |
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Стр. 963
... similar . Stability of Hybrid DNA Duplexes It would be of great interest to determine how similar two sequences of nucleotides must be to form duplex structures under the conditions here described . The specificity exhibited in the ...
... similar . Stability of Hybrid DNA Duplexes It would be of great interest to determine how similar two sequences of nucleotides must be to form duplex structures under the conditions here described . The specificity exhibited in the ...
Стр. 1001
... Similar to bones , shells also contain an organic protein constituent , conchi- olin , which is present in 1- to 2 - percent amounts in modern shells . The two major inorganic components of shells are calcium carbonate in the form of ...
... Similar to bones , shells also contain an organic protein constituent , conchi- olin , which is present in 1- to 2 - percent amounts in modern shells . The two major inorganic components of shells are calcium carbonate in the form of ...
Стр. 1133
... similar ( 4 ) , and the day - caught lar- vae must be alive and growing . This is also supported by the evidence that the day - caught larvae begin to escape the net at the same length ( > 15.75 mm ) as do the night - caught larvae ...
... similar ( 4 ) , and the day - caught lar- vae must be alive and growing . This is also supported by the evidence that the day - caught larvae begin to escape the net at the same length ( > 15.75 mm ) as do the night - caught larvae ...
Содержание
Vol 144 No 3621 | 951 |
L S Whatley et | 968 |
The Continuing Dialogue J A Shannon | 976 |
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AAAS activity agar American amino acids amplitude analysis animals antigen Arctic Ocean Association basalts behavior Biochem biological bradykinin calcium Calif carbon cells Center centrifugation changes Chem chemical chemistry chromosomes collagen complete concentration conf cores dimethylsulfide DNA fragments effect electron emphysema engineering experiments factor factor VIII field Foraminifera fraction gram hemocyanin hemoglobin heparin homoarginine Illus increase incubated Institute instrument intern laboratory lysine measured membrane ment method mice Mid-Atlantic Ridge Model molecular molecules mouse National observed obtained optical organic oxygen papers parallax particles percent Physics plasma pressure problems produced protein RAND range rats reaction References and Notes reported retinol samples Science scientific scientists sediment serum solution specific stimulation structure studies symp symposium Table techniques temperature tetrodotoxin therapeutic index tion tissue toxin ture United Univ University virus Washington York