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.
Irritable bowel syndrome (IBS) health centre. Stress, anxiety and irritable bowel syndrome (IBS) Stress may play a part in triggering a person's irritable bowel syndrome, or IBS, symptoms. This doesnât mean that IBS is purely 'in the mind'. Psychological factors, such as stress and anxiety can cause chemical changes in the body that can affect processes like those that occur in the digestive system.