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HIV is the cause of the spectrum of disease known as HIV/AIDS. HIV is a retrovirus that primarily infects components of the human immune system such as CD4 + T cells, macrophages and dendritic cells. It directly and indirectly destroys CD4 + T cells.
Women's suffrage, or the right of women to vote, was established in the United States over the course of the late 19th and early 20th centuries, first in various states and localities, then nationally in 1920 with the ratification of the 19th Amendment to the United States Constitution. [2]
Madonna Louise Ciccone [a] ( / tʃɪˈkoʊni /; born August 16, 1958) is an American singer, songwriter, and actress. Nicknamed the " Queen of Pop ", she has been recognized for her continual reinvention and versatility in music production, songwriting and visual presentation. Madonna's works, which incorporate social, political, sexual, and religious themes, have generated both controversy ...
ASCII ( / ˈæskiː / ⓘ ASS-kee ), [3] : 6 an acronym for American Standard Code for Information Interchange, is a character encoding standard for electronic communication. ASCII codes represent text in computers, telecommunications equipment, and other devices.
Down syndrome. Down syndrome or Down's syndrome, also known as trisomy 21, is a genetic disorder caused by the presence of all or part of a third copy of chromosome 21. [3] It is usually associated with developmental delays, mild to moderate intellectual disability, and characteristic physical features.
Paracetamol ( acetaminophen [a]) is a non-opioid analgesic and antipyretic agent used to treat fever and mild to moderate pain. [13] [14] [15] It is a widely used over the counter medication. Common brand names include Tylenol and Panadol .
In the United States, academic grading commonly takes on the form of five, six or seven letter grades. Traditionally, the grades are A+, A, A−, B+, B, B−, C+, C, C−, D+, D, D− and F, with A+ being the highest and F being lowest. In some cases, grades can also be numerical. Numeric-to-letter-grade conversions generally vary from system to system and between disciplines and status.
The Four Horsemen of the Apocalypse [1] are figures in the Book of Revelation in the New Testament of the Bible, a piece of apocalypse literature attributed to John of Patmos. Similar allusions are contained in the Old Testament books of Ezekiel and Zechariah, written about six centuries prior. Though the text only provides a name for the fourth horseman, subsequent commentary often identifies ...