RESUMEN: 1. Copiar y completar el siguiente cuadro en el cuaderno, teniendo en cuenta los conceptos de Mitosis y Meiosis. Características Mitosis Meiosis Células en que ocurre. Tipo de Reproducción N° de células resultantes 2 4 니 Nº cromosómico en las células resultantes o Las fases son Duración Funciones​

Which is the correct order in the scientific process? ask a question ® form a hypothesis ® make an observation ask a question ® make an observation ® form a hypothesis make an observation ® form a hypothesis ® ask a question make an observation ® ask a question ® form a hypothesis

Astudy by solloch and et. al., in 2017, gives the map above which shows the frequency of alleles with a ccr5-delta32 mutations over 87 different countries. this mutation deletes the presence of a co-receptor (ccr5) on the outside of human t-cells (lymphocytes). some viruses, such as the one responsible for the black death and human immunodeficiency virus (hiv), require this receptor for attachment to host cells during the infection process. the black death was an epidemic that passed over northern europe during the 14th century killing nearly 60% of europeans. according to this information, which explanation best explains why northern europeans show a greater immunity for hiv than some other parts of the world?

When fossil fuels are burned, carbon dioxide is released. how does this gas impact the environment?