Answer: a specific gender 
Explanation:
 
        
                    
             
        
        
        
Answer:
La mayoría de los productos energéticos que se consumen en la vida cotidiana, como por ejemplo el butano, el gas natural, o los combustibles líquidos
Explanation:
La mayoría de los productos energéticos que se consumen en la vida cotidiana, como por ejemplo el butano, el gas natural, o los combustibles líquidos
 
        
             
        
        
        
Answer:
The correct answer will be option-B (purine).
Explanation:
Nucleic acid structure is made up of monomer unit called nucleotide. Each nucleotide is composed of a five-carbon sugar, a phosphate group and five types of nitrogenous bases.
The nitrogenous bases are categorized in two forms the purines (adenine and guanine ) and the pyrimidines (cytosine, thymine and uracil). The "purines" contain double rings in their structure due to which they appear larger in size than pyrimidines which are made up of single rings.
Thus, Option-B is the correct answer.
 
        
             
        
        
        
Diffusion is a spontaneous process in which molecules move with their concentration gradient. For example, if you place food coloring in water, the food coloring will slowly diffuse through the water until the entire solution has been balanced.
Osmosis is specifically the movement of <em>water</em> through a semipermeable membrane - meaning a membrane that can let some substances in but keep others out - and, similar to diffusion, it moves with its concentration gradient. For example, if you place a glucose solution sealed in plastic in water, water will move into the plastic to even out the concentration of glucose in the entire solution because glucose is too large to diffuse freely.
Hope this helped!
        
             
        
        
        
Enzymes are used to speed up reactions. They’re also called catalysts and their main purpose is as a speed boost for reactions