Part2:细胞,病毒和繁殖Cells, Viruses and the Reproduction of Living Things Session4:Cell membranes and transport 细胞膜与转运 Session5:The mitotic cell cycle 有丝分裂细胞周期 Session6:Nucleic acids and protein synthesis 核酸和蛋白质合成 Session7:Transport in plants 植物的转运 Session8:Transport in ...
A-Level Biology(AS) A- Level 生物(AS) 01 课程介绍 A- Level生物课程是在GCSE生物知识的基础上,更深入、系统地了解与生物有关的概念知识,如生物进化论、细胞学说、遗传学等。其中大部分内容都与我们的生活现象息息相关,像动植物的光合作用和呼吸作用,这些知识极大地吸引了对生命科学感兴趣的学生。同时生物学...
A 1 and 2 B 2 and 3 C 2 only D 3 and 4 22 Some viruses have single-stranded DNA as their genetic material. This DNA molecule has to be folded to fit in the protein coat. Which statements about single-stranded DNA are correct? 1 Single-stranded DNA cannot replicate semi-...
Gas Exchange in Bony Fish - A-level Biology - OCR, AQA, Edexcel 13:06 Gas Exchange in Insects - A-level Biology - OCR, AQA, Edexcel 06:53 Gas Exchange- The Structure of the Lungs - A-level Biology - OCR, AQA, Edexcel 13:20 ...
Orthomyxoviruses: Molecular Biology M.L.Shaw,P.Palese, inEncyclopedia of Virology (Third Edition), 2008 Classification and Nomenclature Influenza viruses are members of the familyOrthomyxoviridaewhich is divided into five genera:Influenzavirus A, Influenzavirus B, Influenzavirus C, Thogotovirus, andIs...
Viruses and cells. A study in tissue culture applications. II. Effect of several viruses on cell types and the amount of virus produced, Tr - Bang, Gey - 1951Bang, F. B., and G. 0. Gey. 1951. Viruses and cells. A study in tissue culture applications. Trans. N.Y. Acad. Sci. ...
The influenza viruses have the potential to induce the highest morbidity and mortality rates of all pathogens, and among the 16 known serotypes of influenza-A hemagglutinin, 6 have been identified from humans at the molecular level, i.e. H1–H3, H5, H7, H9. Pandemics results from the ...
M. Cellular entry and uncoating of naked and quasi-enveloped human hepatoviruses. eLife https://doi.org/10.7554/eLife.43983 (2019). Article PubMed PubMed Central Google Scholar Phan, C. & Hollinger, F. B. Hepatitis A: natural history, immunopathogenesis, and outcome. Clin. Liver Dis. 2...
pandemic[1–3]. In addition to pandemics, H1N1 and H3N2 subtypes cause regular seasonal epidemics, during which millions of people are infected and hundreds of thousands die (http://www.who.int/mediacentre/factsheets/fs211/en/). Therefore, IAVs are viruses of enormous public health ...
Human infectious diseases constitute a broad class of diseases caused by microorganisms such as bacteria and viruses transmitted via food, air, body fluids, and physical contact1. Some of these diseases are highly contagious and broadly affect human health. Historically, several outbreaks namely Spanish...