Answer: 1: allergic disorders
2. Immunodeficiency disorders
3. Autoimmune disorders
4. Cancers 
 
        
                    
             
        
        
        
<h2>respiracion aerobic</h2><h2>fotosintesis</h2>
organismo Eucaronte 
<h2>pluricelular</h2><h2>reproduciion  </h2><h2 /><h2 />
 
        
        
        
Examples of physical changes in properties are melting, transition to a gas, crystallization, etc
        
             
        
        
        
Answer:
In cells, some molecules can move down their concentration gradients by crossing the lipid portion of the membrane directly, while others must pass through membrane proteins in a process called facilitated diffusion.
Explanation:
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<span>The correct answer is b: Coenzyme A.</span>
During the process of pyruvate oxidation, acetyl CoA molecule is produced. Pyruvate oxidation is the link between glycolysis and Krebs cycle and it converts pyruvate (three-carbon molecule) into acetyl-CoA ( two-carbon molecule attached to Coenzyme A). NADH is produced and one CO2 released. AcetylCoA is the substrate for the next stage of cellular respiration, citric acid cycle.