Answer:
A
Explanation:
Earth's orbit is not constant because it does not travel in a circle but more of an ellipses.
 
        
                    
             
        
        
        
<span>is to regenerate the co enzyme NAD+, so that the glycolysis process can continue to breakdown glucose, produce ATP, and also produce pyruvate for the continuation of the process at the same time in anaerobic conditions when no oxygen is available.</span>
        
             
        
        
        
Systematics is the study of the units of biodiversity. Systematics differs from ecology in that the latter is concerned with the interactions of individuals (and therefore species) in a particular time.
        
                    
             
        
        
        
Answer:
Carbohydrates covalently linked to proteins (glycoproteins) or lipids (glycolipids) are also a part of cell membranes, and function as adhesion and address loci for cells. The Fluid Mosaic Model describes membranes as a fluid lipid bilayer with floating proteins and carbohydrates.
Explanation: