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.
The following are the most likely causes of PMS anxiety: 1  Cortisol Increase Studies have shown that before a woman's period, a stress hormone known as cortisol tends to increase. 2  In many ways, anxiety is a form of long term stress, and stress is known to make anxiety symptoms worse.