Marijuana, along with drugs like heroin and LSD, is a Schedule I drug, meaning it is considered to have the highest potential for abuse and be the most dangerous.. advertisement. Because alcohol and tobacco are legal, they are not controlled substances, and not subject to DEA scheduling.arijuana, along with drugs like heroin and LSD, is a Schedule I drug, meaning it is considered to have the highest potential for abuse and be the most dangerous.. advertisement. Because alcohol and tobacco are legal, they are not controlled substances, and not subject to DEA scheduling.
In aerobic respiration, 36 or 38 molecules of ATP per molecule of glucose, depending on how many are gained through the electron transfer system.
If there is plenty of oxygen available and the exercise is of low to moderate intensity, then the pyruvate from glucose is converted to carbon dioxide and water in the mitochondria. Approximately 42 ATP equivalents can be produced from a single glucose molecule compared to only 4 ATP with anaerobic metabolism.