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.
Shares & Saves. Save. Creatine phosphokinase (CPK) is an enzyme that can be found in the heart, brain and skeletal muscle. A high level of CPK is not a good sign and is an indicator of heart attacks, strokes and other serious diseases. However some prescription drugs and other substances can cause levels of CPK to increase. (Hemera Technologies/AbleStock.com/Getty Images).