Making energy from the ultimate energy source. Photosynthesis is the process by which plants convert energy from the sun. It is the process that allows plants to create organic molecules that they use as fuel. Here is how it works. The molecules of chlorophyll contained in the chloroplasts absorb energy in the form of light from the sun.
The creatine phosphokinase test measures the amount of creatine phosphokinase (CPK) present in the blood. The test is also known as creatine kinase, CPK test, and CK test.
Creatine kinase - Laboratory testing. 1  CK is often determined routinely in a medical laboratory. 2  Creatine kinase in the blood may be high in health and disease. 3  Furthermore, the isoenzyme determination has been used extensively as an indication for myocardial damage in heart attacks. 4  Reference ranges for blood tests.