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The Physical Basis of Vital Activity
The Chemical Basis of Life
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absorption acetylcholine action potential activity amino acids amount animals appears atoms auxin axon Biol biological birefringence blood bonds carbohydrate carbon cell division cellular cent chemical chromosomes cleavage coenzyme colloidal complex components compounds concentration contraction COOH cytochrome cytoplasm decrease depends diffusion effect electric electron embryo enzymes equation erythrocyte evidence excitation factors fertilization fibers formation free energy genes glucose glycolysis growth hormone hydrogen impulses increase inhibition involved ions isotopes light lipid liver mechanism medium membrane potential metabolism mitochondria mitosis mole molecule muscle myosin nerve nervous neurons normal nucleic acids nucleoproteins nucleus observed occur organism osmotic oxidation oxygen particles permeability phosphate photosynthesis Physiol physiology pituitary plants potential difference production properties protein pyruvate radiation reaction region relation response sea urchin sea urchin egg solution specific stimulation structure studies substances surface synthesis temperature tion tissue tumors ultraviolet vertebrates viscosity wavelength