Category: U

A high-speed centrifuge that can attain revolving speeds up to 85,000 rpm and centrifugal fields up to 500,000 times gravity. The machine is used to sediment (i.e., cause to settle out) and hence separate macromolecules (i.e., large molecules) and macromolecular structures in a mixture/solution. In general, a centrifuge is a machine that whirls test tubes…

A small protein present in all eucaryotic cells (ubiquitous) which plays an important role in “tagging” other proteins that are destined (marked) for destruction (via proteolytic cleavage). Such proteins are then removed because they are damaged or no longer needed by the body. An intracellular protein that helps to destroy misfolded proteins. It is also…

A special type of breathing in which the area at the back of the throat is slightly constricted to slow down the intake and release of breath.  

The upward moving quality of energy that relates to speech and spirituality. The diaphragm possesses a vitalizing force known as the life-sustaining energy, representing the third among the five airs described in Ayurvedic philosophy. This particular life force governs the upward movement within the body.  

In strength training, performance of upper body exercises only during one workout and lower body exercises only during the next workout.  

A condition in which the evaporative cooling that is needed is greater than the evaporative cooling permitted by the environment.  

Recurrent major depressions.  

The length of time that a food in a container will remain in acceptable condition after initial use by a consumer.  

A system of determining the pattern that sample averages should follow if a constant system of choice is operating.  

A term descriptive of the carbon-hydro- gen makeup of the fatty acid portion of a fat or oil. The term refers specifically to a shortage of hydrogen atoms in the oil’s molecular structure. The less the hydrogen content, the greater the degree of unsaturation and the greater the reactivity with oxygen. Highly unsaturated oils tend…