The substance that is coded for by a length of DNA is base. The correct option is A.
<h3>What is a base?</h3>
Nucleobases, also known as nitrogenous bases or simply bases, are nitrogen-containing biological compounds that form nucleosides, which are then components of nucleotides, all of which are the basic building blocks of nucleic acids.
The complete question is attached.
The substance that is coded for by a length of DNA is base.
Thus, the correct option is A.
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Answer:
the heart it is because the heart beats and it goes up and down
 
        
             
        
        
        
Answer:
Plants use carbon dioxide for the process of photosynthesis.
 
        
                    
             
        
        
        
Pulmonary embolism because it’s unlikely to have a high heart rate with others
        
             
        
        
        
An exothermic reaction<span> is a chemical </span>reaction<span> that releases energy by light or heat. It is the opposite of an </span>endothermic reaction<span>. Expressed in a chemical equation: reactants → products + energy.</span>