Fermentation, respiration and photosynthesis are the main ways. Cells use ADP (Adenosine di-phosphate) and add a phosphate group. After ATP is broken down into ADP and a phosphate group, the parts recycle to form ATP again. The ongoing process of breaking and rejoining phosphate groups is what keeps the cell going. Transport ATP used in transport is primarily used to pump substances into the cell. The energy release from the ATP allows the substance to go against its concentration gradient. Generating Charges Mechanical Cells use ATP for many mechanical purposes. The ATP's energy is converted into kinetic energy.
Cacao or the cocoa plant was also used by the Mayans. Archaeologists have found cacao in jars that have been dug up in old Mayan ruins. They have also found references of its use in hieroglyphics.Tobacco has been found in the history of the Mayans and a good amount of snuff tubes have also been found.It is believed that the tubes were used in rituals and that the tobacco was used in doses so high that they could even induce visions and mind altering experiences.acao or the cocoa plant was also used by the Mayans. Archaeologists have found cacao in jars that have been dug up in old Mayan ruins. They have also found references of its use in hieroglyphics.
Ancient Mayan Masks. Mayan masks had a wide variety of uses, and the importance of the masks dictated how intricate the designs on various masks were. The most sacred Mayan masks featured complex and delicate mosaics made out of jade. Ancient Mayan Masks-Types. Some of the most complex masks were used to adorn the faces of the dead and thus some bodies which were excavated from the tombs were found wearing one of the most intricate masks. Some masks which were simple in style were worn by the Mayans during important events like Battles.