Tag: reverse transcriptase

HIV and AIDS – Diseases Ep 2

HIV replication

HIV (human immunodeficiency virus) is a virus which can eventually lead to development of AIDS (acquired immunodeficiency syndrome). However, it is not the virus itself which causes AIDS symptoms; HIV weakens the immune system, meaning other infections can take hold more easily. In this article we will look at HIV structure, replication, and development of … Read more

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Producing DNA Fragments – Gene Technologies Ep 1

This article begins a new series about gene technologies. Many gene technologies, especially recombinant DNA technologies, begin with the need to isolate or make DNA fragments. We will look at three different ways that this can be achieved. Restriction enzymes This method allows DNA fragments to be "cut out" of existing DNA. Restriction enzymes, sometimes … Read more

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