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15 Cards in this Set

  • Front
  • Back
The _______ flu pandemic killed between approximately 50 million people world-wide around the time of World War I.
If the H5N1 strain of flu known as _____ were to become a pandemic, it is estimated to kill between 7.4 and _________ million people world-wide.
Bird flu, 150
Because viruses cannot survive on their own and must take over a cell in order to reproduce, they are known as intracellular ___________.
The surface of a virus is covered with two types of ____________ , abbreviated H and N.
The human genome consists of more than _______ bases, which if stretched out would form a chain that would reach to the ____________
3 billion, Sun
The fact that all living organisms, from simple bacteria to human beings, use the same ____________ , points to the commonality of life on Earth.
genetic code
Most scientists predict that almost all extraterrestrial life forms would be carbon based, although it is conceivable that some life forms could be _____ based, because it too is capable of forming four chemical bonds.
Biological membranes are composed of detergent-like molecules known as ______.
During protein synthesis, a short segment of the DNA corresponding to the region of interest is copied into another type of nucleic acid known as RNA. This process is known as ________.
Influenza viruses belong to a group of viruses that use RNA instead of DNA for its genetic material. These viruses contain _______ pieces of RNA.
All independent life forms must have a source of _______ to drive the chemical reactions for all their cellular activities.
Bacteria have evolved enzymes that they use to cut up foreign DNA sequences. These enzymes are called _________
restriction enzymes
One of the first medicines to be developed through the use of genetic engineering was ______
In the United States, the percentages of genetically modified crops being cultivated for soybean and corn are ____, and ____ respectively.
81%, 40%
A gene from the bacterium, Bacillus thuringiensis, has been inserted into corn because this gene produces a toxin that can kill the corn pest called the _______________
European corn borer