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Question: Shigella flexneri is an intracellular pathogen closely related to E. coli and S. typhimurium. Some experiments have shown that oxygen controls expression of some virulence factors in this organism. Assume that you have a S. flexneri gene, oxyA, that appears to code for a virulence factor and is only expressed […]

A human male working in a government chemical testing lab is not able to produce viable sperm. His doctor suspects one of the chemicals he is exposed to is limiting his gamete development. The doctor examines the gametes resulting from meiosis and discovers all resulting cells maintain their chromosomes in […]

Write a paper of 500-750 words on “Problems in Adopting Electronic Health Record”. The paper should address the following: Describe the background of the problem. Tell the story of the issue and why it deserves attention. identify the stakeholders/change agents. Who, or what organizations, are concerned, may benefit from, or […]

Sexual reproduction occurs in the bread mould (Neurospora crassa) when two haploid strains of different mating types come into contact with each other. The haploid cells fuse to form a diploid cell, which then undergoes meiosis to produce haploid spores. The spores are dispersed and grow into new fungal colonies […]