A. the activation energy barrier cannot be surmounted in most of the starch molecules. B. the hydrolysis of starch to sugar is endergonic. C. the starch solution has less free energy than the sugar solution. D. starch hydrolysis is nonspontaneous. E. starch cannot be hydrolyzed in the presence of so much water.
COPD can be diagnosed in adults as early as their 20's and 30's, but COPD diagnosis in people in their 40's is on the rise, says Dr. Neil Schachter, medical director of respiratory care at Mount Sinai Medical Center in New York City. More than 12 million people in the United States have COPD. 2  Another 12 million have COPD but go undiagnosed. 3  COPD is the fourth leading cause of death in the U.S. and the only one in the top ten on the rise. 4  It is estimated that 80-90% of COPD cases are due to smoking.
During your 40âs and 50âs, the signs and symptoms of COPD typically start to appear. Shortness of breath, chronic cough and tightness of the chest are the symptoms most often reported by COPD sufferers. COPD in your 60âs and beyond is when the disease does the most damage.Patients require oxygen support and lose over 50 percent of lung function, making breathing that much harder.o be honest, there is no universal answer to this question. COPD is a condition that occurs at different ages and effects everyone. The sad truth is that anyone can get this disease at some point in their life.