Exploring the Southern Constellations. September 2008 : In the summer of 1865, noted American newspaperman and politician Horace Greeley penned, in an editorial, an admonishment to young civil servants in Washington DC. Greeley urged those who complained of low pay grades in the Capitol area to âGo west, young man!â.
When your muscles can't get enough oxygen during a short burst of exercise, they start to make use of a pathway called lactic acid fermentation, which generates a small three-carbon compound called lactic acid or lactate as a byproduct of glucose breakdown.
Mitochondria are sites of energy production (ATP synthesis) in the muscle cell as in all other cells of the body, except for mature red blood cells. A myofibril is a cylindrical bundle of contractile proteins found within the muscle cell.