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Section A (about 30 minutes): Compulsory short answer questions on the SL/HL core and (for HL) the HL extension. Some questions are common to HL and SL. The maximum raw mark for this section is 25. Section B (60 minutes for SL, 100 minutes for HL): 3 (SL) or 5 (HL) compulsory structured questions on the SL/HL core and the HL extension.
HL and SL candidates answer two questions from section A (study of two prescribed works), of which one MUST be a comparison between the two prescribed works. HL and SL candidates are also required to complete Section B of the exam, which is aural analysis of four previously unheard extracts, of which two are named, and one has a score provided.
Mercedes-Benz is extending the SL-Class line-up by introducing an attractive entry-level model in the shape of the SL 280 developing 170 kW (231 PS; 228 hp). The six cylinder powerplant delivers its peak torque of 300 N⋅m (221 lbf⋅ft) from 2500 rpm and accelerates the roadster from 0 to 100 km/h (62 mph) in 7.8 seconds, whilst fuel ...
The Mercedes-Benz SL-Class (marketed as Mercedes-AMG SL since 2022) is a grand touring sports car manufactured by Mercedes-Benz since 1954. The designation "SL" derives from the German term "Sport-Leicht", which translates to "Sport Light" in English.
R231 is a chassis code for the sixth generation of the Mercedes-Benz SL-Class roadster, replacing the R230.The car was released in March 2012 and uses Mercedes-Benz's new 4.7 litre twin turbo V8 engine with a power output of 435 PS (320 kW; 429 hp).
Epigenetic mechanisms. In biology, epigenetics is the study of heritable traits, or a stable change of cell function, that happen without changes to the DNA sequence. [1] The Greek prefix epi-(ἐπι-"over, outside of, around") in epigenetics implies features that are "on top of" or "in addition to" the traditional (DNA sequence based) genetic mechanism of inheritance. [2]
Methods in Molecular Biology is a book series published by Humana Press (an imprint of Springer Science+Business Media) that covers molecular biology research methods and protocols. The book series was introduced by series editor John M. Walker in 1983 and provides step-by-step instructions for carrying out experiments in a research lab. [1]
Biology is the scientific study of life. [ 1 ] [ 2 ] [ 3 ] It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field. [ 1 ] [ 2 ] [ 3 ] For instance, all organisms are composed of at least one cell that processes hereditary information encoded in genes , which can be transmitted ...