metabolically costly

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  • As a result, larger animals do not recruit as many metabolically costly fast muscle fibers in order to run a given speed.
  • Due to this decreased amount of time to produce force, smaller animals must rely more heavily on metabolically costly fast muscle fibers to produce force to run at a given speed.
  • However, when the same populations were placed in an iron-rich environment, the mutant population outcompeted wild-type population, demonstrating that siderophore production is metabolically costly.
  • Reactive oxygen species are especially inexpensive to produce as defense chemicals, simply because they are not composed of metabolically costly elements such as carbon, nitrogen, or phosphate.
  • The inverse is true as well: if the loading on a bone decreases, the bone will become weaker due to turnover, it is less metabolically costly to maintain and there is no stimulus for continued remodeling that is required to maintain bone mass.