Organelles. Definition. noun, plural of organelle. Literally, the term means little organs. As the body is composed of various organs, the cell, too, has little organs that perform special functions.They are membrane-bound compartments or structures of a cell. eukaryotic cell contains many organelles, for example, the nucleus, endoplasmic reticulum, golgi apparatus, mitochondria, and chloroplast (plastid). However, not all these organelles are found in only one cell or in an organism. The chloroplast, for instance, is abundant in plant cells but not in animal cells.
ð Upside-Down Face. A face that is upside-down, often representing a sense silliness or goofiness. Sometimes used as an ambiguous emotion, such as joking or sarcasm. Implemented as a flipped version of the slightly smiling face on most platforms. Upside-Down Face was approved as part of Unicode 8.0 in 2015 and added to Emoji 1.0 in 2015.
A smiley face, also called a text smiley, smiley or emoticon, is ordinary characters used in text-based communications to represent a human facial expression to convey emotion, much in the same way we use facial expressions and different voice tones when we communicate face-to-face with people.n the same way that a person's voice or facial expression changes when having a face-to-face conversation, a smiley face is used in online chat and text messages to achieve the same result. It lets people know if you are smiling, laughing or upset and not very happy with the conversation taking place.