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The Higher School Certificate (HSC) is the credential awarded to secondary school students who successfully complete senior high school level studies (Years 10, 11 and 12 or equivalent) in New South Wales and some ACT schools in Australia, as well as some international schools in Singapore, Malaysia, Indonesia, China, and Papua New Guinea.
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Hematopoietic stem cells (HSCs) are the stem cells [1] that give rise to other blood cells.This process is called haematopoiesis. [2] In vertebrates, the first definitive HSCs arise from the ventral endothelial wall of the embryonic aorta within the (midgestational) aorta-gonad-mesonephros region, through a process known as endothelial-to-hematopoietic transition.
Students start it when they are around 14 to 15 years of age and finish at 18. Students are required to study Somali and Arabic, with the option of either English or Italian depending on the type of school. Religion, chemistry, physics, biology, physical education, textile, art, design, and music are also typically available.
According to a 2010 study by Child and Adolescent Psychiatry and Mental Health, symptoms of anxiety and depression were more common among students in GCE Advanced Level classes compared to other grades. Students in Grade 13 had the second-highest depression and anxiety scores, with examination-related issues being the most commonly cited problem.
In 2021, the date and subjects of HSC exam were revised to abridge for the first time. The HSC Exam was held on 2 December and continued till 30 December with only three major subjects for the each group of the students. 26,784 institutions participated in the exam under nine education boards together with 16,35,240 candidates. [9]
This is called the (surface) phenotype of an HSC. It can be expressed as a set (Lin2, Sca1high, c-kit high, CD44+, Thy1.1low, CD27 2, and IL-7Ra2). This set is a ‘barcode’ for the HSC, akin to the barcode label attached to your chicken-wing plastic bag for checkout at a supermarket!
Quantitative genetics – study of phenotypes that vary continuously (in characters such as height or mass)—as opposed to discretely identifiable phenotypes and gene-products (such as eye-colour, or the presence of a particular biochemical). Marine biology – study of ocean ecosystems, plants, animals, and other living beings.