Answer:
Lactase is essential for digesting lactose in milk. this enzyme is specific for this sugar. People who are lactose intolerant cannot extract energy from milk because no lactase to digest the sugar into energy. To overcome the problem, food manufacturers began to create milk without lactose.
Explanation:
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 Answer:
 dark reaction
Explanation:
The light reactions of photosynthesis take place in the thylakoid membrane, whereas the dark reactions are located in the chloroplast stroma.
 
        
             
        
        
        
Cutting down trees in the forest to make furniture because trees produce oxygen
        
                    
             
        
        
        
The categories  of energy expenditure include the following:
- Resting metabolic rate - This is the total number of calories burned when your body is completely at rest and accounts for 60-75 percent
- Thermic effect of feeding - This happens during feeding in which the metabolic rate increases and heat is produced and accounts for 5-15 percent
- The thermic effect of activity -  the amount of energy burned during all physical activity and accounts for 15-30 percent.
<h3>What is Energy expenditure?</h3>
These are the processes which involves how energy is used or spent. The categories are mentioned above with their appropriate explanations.
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