Answer:
I don't understand it I am so sorry
 
        
             
        
        
        
Pyruvate is first converted to acetaldehyde by enzyme pyruvate decarboxylase in the presence of Thiamine pyrophosphate and Mg ++. Carbon-dioxide is released during this reaction.
        
             
        
        
        
Because carry out all the functions in the human body necessary for living. Proteins make up hormones that are required for living. Insulin - responsible for stabilising blood sugar. Haemoglobin - responsible for carrying oxygen around the body. Melatonin - responsible for helping us get to sleep. Adrenalin - responsible for the flight-fight-freeze response. There are many more but here are just a few.
        
             
        
        
        
The answer to this is genetic diversity. Genetic Diversity is the total number of genetic makeup of a species. It distinguished from genetic variability, which describes the tendency of genetic characteristics to vary.  <span />
        
             
        
        
        
1. "I can't believe this is happening right after my stomach surgery."
Explanation:
When blood flow is blocked due to formation of clots or other factors, the brain does not receive enough blood due to which there is obstruction in the flow of energy. This causes Ischemic Stroke in patients and must be treated immediately. 
Tissue plasminogen activator (tPA) dissolves blood clots and restores perfusion in clients with ischemic stroke. 
It must be administered within a 3-4.5 hour window from appearance of symptoms for effective healing. 
The nurse assesses for contraindications to tPA due to the risk of hemorrhage. 
No history of intracranial hemorrhage or active bleeding should be present in the case of this patient.