title: RELATIONSHIP BETWEEN ATPASE ACTIVITY AND OPTICAL DENSITY DURING CONTRACTION AND RELAXATION OF MYOFIBRILS.
mesh_terms: D000251:Adenosine Triphosphatases; D000255:Adenosine Triphosphate; D000818:Animals; D001669:Biochemical Phenomena; D001671:Biochemistry; D002118:Calcium; D002498:Centrifugation; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D004492:Edetic Acid; D005033:Ethylmaleimide; D006868:Hydrolysis; D007477:Ions; D008274:Magnesium; D009119:Muscle Contraction; D009210:Myofibrils; D010070:Oxalates; D011188:Potassium; D011189:Potassium Chloride; D011758:Pyrroles; D011817:Rabbits; D012063:Relaxation; D012106:Research
chemical_list: D007477:Ions; D010070:Oxalates; D011758:Pyrroles; D011189:Potassium Chloride; D000255:Adenosine Triphosphate; D004492:Edetic Acid; D000251:Adenosine Triphosphatases; D008274:Magnesium; D005033:Ethylmaleimide; D011188:Potassium; D002118:Calcium
keywords: ADENOSINE TRIPHOSPHATASE; ADENOSINE TRIPHOSPHATE; BIOCHEMISTRY; CALCIUM; CENTRIFUGATION; CHEMISTRY, PHYSICAL; EDTA; ETHYLMALEIMIDE; EXPERIMENTAL LAB STUDY; IONS; MAGNESIUM; MUSCLE CONTRACTION; MYOFIBRILS; OXALATES; POTASSIUM; POTASSIUM CHLORIDE; PYRROLES; RABBITS; RELAXATION