Aerobic respiration proceeds in a series of steps, which also increases efficiency-since glucose is broken down gradually and ATP is produced as needed, less energy is wasted as heat. This strategy results in the waste products H 2 O and CO 2 being formed in different amounts at different phases of respiration.
Emmett Till Marker Defiled, Displaying a Lingering Racist Ugliness. [Commentary] Marker where slain teen's body was found continues to be vandalized, riddled with bullets. Last year marked the 60th anniversary of Emmett Tillâs brutal murder, and a marker sits at the site where his body was found, tortured to death. But the condition of the marker is almost as angering as the killing.
Emmett Till Biography. The brutal 1955 murder of teenager Emmett Till, and the news coverage it drew, helped ignite the civil rights movement in America in the 1950s. Exactly what Emmett Till, a 14-year-old African American boy, said or did to offend Carolyn Bryant, a 21-year-old white woman working in a Mississippi grocery store, is unclear; he may have whistled at her.