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The three main types of radiation are alpha, beta and gamma radiation. Alpha particles are the largest, two protons and two neutrons bound together (so they have a +2 positive charge). Th...

En "Los diarios de motocicleta", vemos que el tema principal que el director, Walter Salles, querría mostrar fue las injusticias sociales en la Sudamérica de los años cincuenta y la reacción del...

Apoptosis is programmed cell death. It is the main pathway for physiological cell death (though not the only one, see necrosis) and involves a defined set of changes to the cell: shrinkage of the nucleus,...

An allele is a version of a gene, for instance a gene that determines hair colour may have an allele for blonde hair and an allele for dark hair. We all have two copies of each gene because we inherit two...

TNCs are the main group that benefit from globalisation. They can command lower wages from their workers through outsourcing as they find cheap labour in LICs, can avoid tax payments and gain access to ch...