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.
Tweet. A hematology lab test for CBC or a Complete Blood Count test could be done for a variety of reasons. A high white blood count could be an indication of infection, and it also shows an increase in some types of leukemia.On the other hand low white blood counts could indicate bone marrow diseases or enlargement of the spleen.In some cases of HIV infection too, there may be a low white blood count. high white blood count could be an indication of infection, and it also shows an increase in some types of leukemia. On the other hand low white blood counts could indicate bone marrow diseases or enlargement of the spleen. In some cases of HIV infection too, there may be a low white blood count.