1 DNA and proteins are key molecules of the cell nucleus. 2  One gene makes one protein. 3  A gene is made of DNA. 4  Bacteria and viruses have DNA too. 5  The DNA molecule is shaped like a twisted ladder.  A half DNA ladder is a template for copying the whole.
Youâre not alone. Anxiety tremors, shaking and trembling are common symptoms of anxiety and high stress levels. Tremors, shaking and trembling are common symptoms of anxiety and high stress levels. Most of us believe that shaking from anxiety is bad, and do what ever we can to stop it as quickly as possible.
Brain surgery can be helpful in some cases. Tremors can also be caused by conditions or medicines that affect the nervous system, including Parkinson's disease, liver failure, alcoholism, mercury or arsenic poisoning, lithium, and certain antidepressants. Side effects from other medicines can also cause tremors.