Science: v.1-v.219Moses King, 1968 |
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Page 785
... light plus CO2 - free air , especially at KCl concentrations of 1 to 10 mM . For example , in one experi- ment for which the KCl concentration was 6.5 mM , strips in light plus CO2- free air took up an average of 20.5 X 10-3 μmole of ...
... light plus CO2 - free air , especially at KCl concentrations of 1 to 10 mM . For example , in one experi- ment for which the KCl concentration was 6.5 mM , strips in light plus CO2- free air took up an average of 20.5 X 10-3 μmole of ...
Page 1126
... light - dark cycles ( 9 ) . Birds on short photoperiods as- sume a positive phase angle to the light , beginning their activity prior to the onset of the light . On longer photope- riods the onset of activity usually coin- cides with ...
... light - dark cycles ( 9 ) . Birds on short photoperiods as- sume a positive phase angle to the light , beginning their activity prior to the onset of the light . On longer photope- riods the onset of activity usually coin- cides with ...
Page 1328
... light - dark cycle , and photoperiodism is consid- ered to include all aspects of biological rhythmicity affected by light cycles ( rather than only adaptation to season , mediated by day - length ) . This leads , inevitably , to ...
... light - dark cycle , and photoperiodism is consid- ered to include all aspects of biological rhythmicity affected by light cycles ( rather than only adaptation to season , mediated by day - length ) . This leads , inevitably , to ...
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