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The A-level (Advanced Level) is a subject-based qualification conferred as part of the General Certificate of Education, as well as a school leaving qualification offered by the educational bodies in the United Kingdom and the educational authorities of British Crown dependencies to students completing secondary or pre-university education. [1]
Calprotectin is a 24 kDa dimer of calcium binding proteins S100A8 and S100A9. [1] The complex accounts for up to 60% of the soluble protein content of the neutrophil cytosol. [2] [3] In vitro studies show that calprotectin has bacteriostatic and fungistatic properties, that arise from its ability to sequester manganese and zinc. [1]
Some school districts use a 1-2-3-4 rating system for grades at the elementary (K–5) level, notably many California school districts including The Los Angeles Unified School District (LAUSD) which switched with the class of 2000.
The history of biology traces the study of the living world from ancient to modern times. Although the concept of biology as a single coherent field arose in the 19th century, the biological sciences emerged from traditions of medicine and natural history reaching back to Ayurveda, ancient Egyptian medicine and the works of Aristotle, Theophrastus and Galen in the ancient Greco-Roman world.
Anthropology is the scientific study of humanity, concerned with human behavior, human biology, cultures, societies, and linguistics, in both the present and past, including archaic humans. [1] Social anthropology studies patterns of behavior, while cultural anthropology studies cultural meaning, including norms and values. [ 1 ]
Glucose homeostasis, when operating normally, restores the blood sugar level to a narrow range of about 4.4 to 6.1 mmol/L (79 to 110 mg/dL) (as measured by a fasting blood glucose test). [10] The global mean fasting plasma blood glucose level in humans is about 5.5 mmol/L (100 mg/dL); [11] [12] however, this level fluctuates throughout the day ...
There were two new BA.2 subvariants detected in the US state of New York, which are BA.2.12 (or B.1.1.529.2.12) and BA.2.12.1 (or B.1.1.529.2.12.1), both of which have a significant growth advantage of 23–27% over BA.2 and contributing to a rise in infections in central New York, centred on Syracuse and Lake Ontario, which later became ...
This is an accepted version of this page This is the latest accepted revision, reviewed on 5 January 2025. South African system of racial separation This article is about apartheid in South Africa. For apartheid as defined in international law, see Crime of apartheid. For other uses, see Apartheid (disambiguation). This article may be too long to read and navigate comfortably. Consider ...