Buy Book. The history of Thailand can be broken into three very general periods - pre-Khmer, Khmer, and post-Khmer. The period called Pre-Khmer, is also called the Dvaravati period. It lasted from about the 6th century until about the 11th or 12th century, when it was overwhelmed by the Khmer civilization of Angkor.
An organelle is a unique part of a cell that has a specific function. The term is a combination of the word organum, which means instrument or engine, and the suffix -elle, which means... Star Gazing
Definition: The cytoplasm consists of all of the contents outside of the nucleus and enclosed within the cell membrane of a cell. This includes the cytosol and in euckaryotic cells, organelles such as mitochondria and ribosomes.