Summary. DNA is tightly packed in the nucleus of every cell. DNA wraps around special proteins called histones, which form loops of DNA called nucleosomes. These nucleosomes coil and stack together to form fibers called chromatin.Chromatin in turn forms larger loops and coils to form chromosomes.ummary. DNA is tightly packed in the nucleus of every cell. DNA wraps around special proteins called histones, which form loops of DNA called nucleosomes. These nucleosomes coil and stack together to form fibers called chromatin.
A driving test is a high-stakes test: Without passing the test, the test taker cannot obtain a driver's license. A high-stakes test is a test with important consequences for the test taker.Passing has important benefits, such as a high school diploma, a scholarship, or a license to practice a profession. Sometimes a high-stakes test is tied to a controversial reward. 2  For example, some people may want a high-school diploma to represent the verified acquisition of specific skills or knowledge, and therefore use a high-stakes assessment to deny a diploma to anyone who cannot perform the necessary skills.
With recent advancements in scientific testing, it's becoming more commonplace for people to request DNA information. Why would you want to see your DNA? DNA testing is used today for a number of reasons including identifying human traits, infidelity testing, locating relatives, early detection of disease, and establishing paternity. Several online companies exist today that have significantly reduced the cost of DNA testing and made the process very easy. For just a small fee, you can check the paternity of a child, look for the probability of life threatening diseases, find long lost relatives, and much more.