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.
When oxygen is present, one glucose molecule yields 36-38 molecules of ATP. This is due to the electron transport chain, which is only involved when oxygen is available. Wit â¦ hout oxygen, one glucose molecule yields a net gain of 2 ATP. 4 people found this useful.