Introduction Oxygen is damaging to aerobic organisms at levels higher than are found in the atmosphere. ... However, oxidative damage affects replication and transcription of mitochondrial DNA (mtDNA) and results in a reduction of mt function, which renders more ROS and further damage to mtDNA (Cui et al., 2011). ... Another type of molecule that is highly susceptible to ROS diminishing effects is DNA. The reaction of an oxygen radical with DNA can result in loss of bases, or cause a strand breakage, with a likelihood of a harmful or deadly outcome (Klaunig et al., 2010). What is more, the del...

• Word Count: 1154
• Approx Pages: 5
• Has Bibliography
• Grade Level: Undergraduate

Introduction In today's ever-changing technological environment, security is constantly rising as an important issue. ... Biometrics is constantly expanding, and includes devices that test DNA, facial features, as well as other properties which would be considered "unique". ... As for flaws involved, "There is no known way to replicate a retina, and a retina from a dead person would deteriorate too fast to be useful, so no extra precautions have been taken with retinal scans to be sure the user is a living human being(2)." ...

• Word Count: 1088
• Approx Pages: 4
• Has Bibliography
• Grade Level: Undergraduate

We have moved on from the basic technology creating near exact DNA copies of the original. ... Power struggles emerge between those who have the means to endlessly replicate themselves and those who are new-born. ... Introduction i. ...

• Word Count: 1055
• Approx Pages: 4
• Has Bibliography
• Grade Level: High School