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Chimpanzees and humans are very similar in many ways including skeletal muscle structure but chimpanzees are able to generate at least twice the force as humans of the same mass. An additional difference is that humans have much greater fine motor control. Current hypotheses describing these differences are that chimpanzees […]

Photosynthesis is the conversion of light energy to chemicalenergy by autotrophic organisms (primarily plants). In the process,oxygen is released. Photosynthesis requires light, so it would notoccur in the foil-wrapped bottles. Respiration does not requirelight. Both autotrophic and heterotrophic organisms (primarilyanimals and bacteria) consume oxygen during respiration whenchemical energy is converted […]

Q. Four Hfr strains separately derived from a wild type but Str^S (to the power of S) prototrophic E. coli strain were crossed to a multiple auxotrophic Str^R F^- strain that is deficient in synthesis of arginine (arg), cysteine (cys), guanine (gua), histidine (his), lysine (lys), methionine (met), proline (pro), […]

Case 1: A 60 year old man with long-standing type II diabetes that has been untreated with insulin is admitted to the hospital after reporting noticeably bloody urine. Bilaterally, he has no feeling in the bottoms of his feet and decreased sensitivity mid-shin, while sensation at the knees is normal. […]