Coursework.Info - Inspiration in an Instant

On the left is an image preview of every page of this document, and below are the first 150 words with formatting removed:

SCIENCE STUFF Work Book Section 1 1 You pose an interesting question - There are different types of Human DNA - which there are various classifications, Chromosomal DNA and Mitochondrial DNA. There is also the DNA present from normal flora microorganisms such as bacteria, viruses, mites, etc. Some of this microorganism DNA may be significant, such as E. coli DNA in the gut or Staphylococcus DNA on the skin. You even have DNA present from viruses of bacteria such as phage DNA. Some human viruses may be present in blood cells such as EBV, CMV in nerve cells like herpes simplex 1, in skin cell like HPV (human papilloma virus) or integrated into the Human Chromosomal DNA such as various retroviruses, like human foamy virus, HTLV or HIV Within Chromosomal DNA there is DNA that codes for genes- exons (mRNA coding) and non coding regions called introns. There are regions of DNA within...

To see the full version of this document, and 145,348 others