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1 day ago · A protein is a polyamide. Secondary structure: regularly repeating local structures stabilized by hydrogen bonds. The most common examples are the α-helix, β-sheet and turns. Because secondary structures are local, many regions of different secondary structure can be present in the same protein molecule.
3 days ago · Sign languages (also known as signed languages) are languages that use the visual-manual modality to convey meaning, instead of spoken words. Sign languages are expressed through manual articulation in combination with non-manual markers. Sign languages are full-fledged natural languages with their own grammar and lexicon. [1]
4 days ago · Linear A is a writing system that was used by the Minoans of Crete from 1800 BC to 1450 BC. Linear A was the primary script used in palace and religious writings of the Minoan civilization. It was succeeded by Linear B, which was used by the Mycenaeans to write an early form of Greek.
4 days ago · Coptic (Bohairic Coptic: ϯⲙⲉⲧⲣⲉⲙⲛ̀ⲭⲏⲙⲓ, Timetremǹkhēmi) is a group of closely related Egyptian dialects, [2] representing the most recent developments of the Egyptian language, [2] [4] and historically spoken by the Copts, starting from the third century AD in Roman Egypt. [1] Coptic was supplanted by Arabic as the ...
1 day ago · Ethics, also referred to as moral philosophy, is the study of moral phenomena. It is one of the main branches of philosophy and investigates the nature of morality and the principles that govern the moral evaluation of conduct, character traits, and institutions. It examines what obligations people have, what behavior is right and wrong, and ...
4 days ago · Verbal abuse is a means of controlling and maintaining power over another person. Most people assume that if they were being verbally abused they would know about it. After all, verbal abuse often involves yelling, put-downs, name-calling, and belittling behaviors. But there is more to verbal abuse than people realize.
3 days ago · social media, a form of mass media communications on the Internet (such as on websites for social networking and microblogging) through which users share information, ideas, personal messages, and other content (such as videos). Social networking and social media are overlapping concepts, but social networking is usually understood as users ...
