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.
It may subside during sleep and get worse when a person is under stress. A person might also experience head nodding or have a shaky sounding voice. Certain types of antidepressants, such as the selective serotonin reuptake inhibitors (SSRIs) and tricyclics, can indeed cause tremor as a side effect. Some studies estimate that 20 percent of patients treated with an SSRI or tricyclic antidepressant will develop a tremor.