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2011: OCR set an impossible maths question in the 2011 AS Mathematics paper. [10] In addition, there were errors in Section B of the Latin Literature paper, confusing names of both authors and characters. 2011 also saw the start of, by now regular, social media protests against the content in exam papers.
Quizlet is a multi-national American company that provides tools for studying and learning. [1] Quizlet was founded in October 2005 by Andrew Sutherland, who at the time was a 15-year old student, [ 2 ] and released to the public in January 2007. [ 3 ]
1 frontalis: head, occipitofrontalis, forehead (left/right) skin of eyebrow and glabella: epicranial aponeurosis: ophthalmic artery: facial nerve [CNVII], temporal branch: wrinkles eyebrow: procerus, corrugator supercilii, and orbicularis oculi muscles [1] 2 1 orbicularis oculi, orbital part head, forehead/eyelid (left/right) frontal bone ...
The thermal cycler (also known as a thermocycler, PCR machine or DNA amplifier) is a laboratory apparatus most commonly used to amplify segments of DNA via the polymerase chain reaction (PCR). [1] Thermal cyclers may also be used in laboratories to facilitate other temperature-sensitive reactions, including restriction enzyme digestion or rapid ...
1815 13491 Ensembl ENSG00000069696 ENSG00000276825 ENSMUSG00000025496 UniProt P21917 P51436 RefSeq (mRNA) NM_000797 NM_007878 RefSeq (protein) NP_000788 NP_031904 Location (UCSC) Chr 11: 0.64 – 0.64 Mb Chr 7: 140.87 – 140.88 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse The dopamine receptor D 4 is a dopamine D2-like G protein-coupled receptor encoded by the DRD4 gene on ...
If the basic reproduction number is less than 1, the epidemic will die out; if it is greater than 1, the epidemic will continue to spread—with exponential growth in the number of cases. [386] In September 2014, the estimated values of R 0 were 1.71 (95% CI , 1.44 to 2.01) for Guinea, 1.83 (95% CI, 1.72 to 1.94) for Liberia, and 2.02 (95% CI ...
Alfred Russel Wallace (8 January 1823 – 7 November 1913) was an English [1] [2] [3] naturalist, explorer, geographer, anthropologist, biologist and illustrator. [4] He independently conceived the theory of evolution through natural selection; his 1858 paper on the subject was published that year alongside extracts from Charles Darwin's earlier writings on the topic.
The gibberellins are named GA 1 through GA n in order of discovery. [5] Gibberellic acid, which was the first gibberellin to be structurally characterized, is GA 3. [6] As of 2020, [5] there are 136 GAs identified from plants, fungi, and bacteria. [1] [6] [5] Gibberellins are tetracyclic diterpene acids. There are two classes, with either 19 or ...
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