To Know a Fly |
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Page 48
... blood . The first way to tackle this question was to meas- ure the blood - sugar levels of a fly in various stages of hunger . We employed precisely the same methods that hospital labo- ratories employ for measuring sugar levels in the ...
... blood . The first way to tackle this question was to meas- ure the blood - sugar levels of a fly in various stages of hunger . We employed precisely the same methods that hospital labo- ratories employ for measuring sugar levels in the ...
Page 49
... blood than a fed fly . Then we conducted an ex- periment to test the hypothesis that some causal relationship existed between blood - sugar level and hunger . We injected sugar into a hungry fly in much the same way that a hos- pital ...
... blood than a fed fly . Then we conducted an ex- periment to test the hypothesis that some causal relationship existed between blood - sugar level and hunger . We injected sugar into a hungry fly in much the same way that a hos- pital ...
Page 61
... blood forgets being a hero long enough to be physiological and cry for water . Replac- ing blood should allay the symptoms of thirst . In the fly it certainly does . But , and here the fly differs from man , re- placement of blood with ...
... blood forgets being a hero long enough to be physiological and cry for water . Replac- ing blood should allay the symptoms of thirst . In the fly it certainly does . But , and here the fly differs from man , re- placement of blood with ...
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able activity amount animal ants appearance become bees behavior Bill Clark biologist blood body brain called caterpillars caused cells Chapter continued course creature dance drink drop eggs eight eventually example experiment experimental eyes fact feathers feeding feet female flies fluid fly's follow glucose hair hand head honeybee human hunger hungry insects interest jump kind known laboratory learning least legs less light live look lower males matter means mechanism merely MICHIGAN minute move nature nerve never observation odor once operation organ performed person piece prefer present problem proboscis protein question reach reason record removed result salt scientific scientist seen sense sensitive serve side simple stops student sugar supply taste thing tion trail tube turn understanding usually walk wings