Here you will find past exam papers and mark schemes for each of the modules below. AS & A-Levels from 2015 AQA AS Paper 1 AS Paper 2 Paper 1 Paper 2 Paper 3 Edexcel Biology A (Salters-Nuffield) AS Paper 1 AS Paper 2 Paper 1 ...
Revision for AQA Biology AS and A Level Papers, including summary notes, worksheets and past exam questions for each topic.
Discussion The amphioxus ER does not bind estradiol In this paper we cloned and functionally characterized the lamprey and amphioxus orthologues of the human estro- gen receptors. Our results show that lampER binds estra- diol whereas amphiER does not. We propose that 3 types of ERs can be ...
OCR ADVANCED SUBSIDIARY GCE IN BIOLOGY (3881)OCR ADVANCED GCE
We found fewer duplicate gene sets across multiple papers (Fig. 1j, k). Fig. 1: Distributions of the genes and gene sets in the Rummagene database. a Distribution of genes in gene sets. b Distribution of gene set lengths. c Distribution of gene sets per paper. d Gene set contribution...
He wrote a paper on the chemical basis of morphogenesis and predicted oscillating chemical reactions such as the Belousov-Zhabotinsky reaction, first obser ved in the 1960s. Raymond Kurzweil an American inventor and futurist is involved in fields such as optical character recognition ( OCR ), text...
Recent papers focused on understanding the possible role of PFAS in cellular toxicity for microalgae belonging to the Chlorella genus: Niu et al., [45] observed a toxic effect on Chlorella sp., as well as a reduction of catalases and oxidases. Li et al. [46] also observed downregulation ...
According to the description in their paper, Ro et al. designed their pathway in a step-wise process, adding features (e.g., gene encoding enzymes), measuring the effect, and then adding the next feature; this was typically done with choices, the best-performing strain being chosen post-...
This paper is distinct from other published reviews, including those that extensively covered the use of flavour-active brewing and wine yeasts for the enhancement of the aroma of beer and wine [9–11]. Here, we focus on the exploitation of two types of yeast precursors which are responsible...
Extracellular vesicles in diagnostics and therapy of the ischaemic heart: Position Paper from the Working Group on Cellular Biology of the Heart of the European Society of Cardiology. Cardiovasc. Res. 2018, 114, 19–34. [CrossRef] [PubMed] 10. Thery, C.; Witwer, K.W.; Aikawa, E.; ...