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Tracks the key experiments and discoveries that set in motion efforts to crack the genetic code, and explores the many ways humans have applied knowledge of the code to alter gene activity.
For billions of years, cells have used an ingenious system of storing and processing instructions to make proteins, the molecules that carry out vital functions for the cell. Data is warehoused in DNA molecules, copied into RNA molecules, and then read by a cell's protein synthe…
Details the life cycles of different viruses, how parasites affect their hosts, and challenges they present to the modern medical community.
No one knows the origins of viruses. They have been on Earth for so long that it is believed that they may predate the first living cells. Today, viruses are found around the world, infecting bacteria and the cells of plants, fungi, animals, and humans. Viruses are parasites tha…