For the leaves to be presearved as fossil, they have to undergo a natural process of carbonization. This involves a slow chemical reaction with water over time that allows oxygen, nitrogen, and hydrogen to escape the leaves’ structure as gases leaving behind a carbon skeleton/film.
 
        
                    
             
        
        
        
The answer to this question would be: <span>During anaerobic respiration, lactate levels increase when muscles cells need more energy. However, muscles cells eventually fatigue, thus athletes should modify their activities to increase aerobic respiration.
Lactate will be produced when the muscle cells doing anaerobic respiration. The lactate can be accumulated in the cells causing the muscle to be fatigue. Using the information from the tattoo the athlete can adjust their exercise intensity to prevent the accumulation.
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Explanation:
Mitochondria are cell organelles that are found in all human body cells except mature red blood cells. These organelles with a double membrane are the location in which cellular respiration occurs.
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Answer: If the area of observation in the experiment had not been restricted to the area of the root tip that is actively dividing, then the results of the experiment would have been different because the cells would supposedly be spending their entire existence in inter-phase. 
 
        
             
        
        
        
Answer:
Correct answer is (B) has a hydroxyl at its 3' end.