Living Systems |
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Page 290
... Chemical evolution water vapor , and hydrogen . Chemically this was a reducing atmosphere , since in its early eras Earth had little gaseous oxygen . Both carbon monoxide and car- bon dioxide gases , however , became plentiful during ...
... Chemical evolution water vapor , and hydrogen . Chemically this was a reducing atmosphere , since in its early eras Earth had little gaseous oxygen . Both carbon monoxide and car- bon dioxide gases , however , became plentiful during ...
Page 303
... chemical reactions of var- ious sorts among 49 chemical components in differen- tial equations describing more than 100 different enzymatic steps.489 The computer is programmed with the relevant chemical reactions , the initial and ...
... chemical reactions of var- ious sorts among 49 chemical components in differen- tial equations describing more than 100 different enzymatic steps.489 The computer is programmed with the relevant chemical reactions , the initial and ...
Page 469
... chemical signal from the cytoplasm of the surrounding brain cells to the developing egg indicated that the given tissue was already present . This inhibited formation of it . In Chap . 6 I discussed another chemical effect of a cell's ...
... chemical signal from the cytoplasm of the surrounding brain cells to the developing egg indicated that the given tissue was already present . This inhibited formation of it . In Chap . 6 I discussed another chemical effect of a cell's ...
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acid activity adjustment processes amino acids animals associated axon behavior bits blood boundary brain carry cell membrane cellular central nervous system cerebral cortex cesses changes channel capacity chemical complex cortex cross-level cytoplasm decision decoding decrease echelons encoding energy environment enzyme error Example experimental experiments extruder feedback fibers function genetic glands glucose higher hormones human HYPOTHESIS increased information input information output information processing input rate input transducer internal transducer learning living systems markers mation matter-energy memory ment microtubules mitochondria mitosis molecules motor nerve nervous system neural neurons nucleus occur organelles organism level organism's output rate output transducer oxygen patterns percent produce protein Psychol pulses receptor cells relationships Reprinted by permission response retina sensory signals simulation species storage stored stress structure subjects substances suprasystem synapses synthesis theory tion tissue transmission transmitted types variables various visual