Abundant amount of amino acids made up a polypeptide
        
                    
             
        
        
        
A biochemical cycle that is well know to everyone is the water cylce
        
             
        
        
        
Answer:
Mar 4, 2011 — Past changes in Earth's temperature happened very slowly, over ... Human activities contribute to global warming by increasing the greenhouse effect. ... Emissions of carbon dioxide, the most important greenhouse gas, ... Even slight rises in average global temperatures can have huge effects. ... 100 years.
Explanation:
 
        
             
        
        
        
Scientific Disciplines:
Biochemistry and Molecular Biology. 
Cancer Biology. 
Cell Biology.
Chemistry: 
Developmental Biology and Genetics. 
Immunology. 
Microbiology. 
Neuroscience.