Saturated fatty acids are chains of single bonded carbons surrounded by hydrogen atoms. 
Unsaturated fatty acids have bent structures due to double bonding between carbon atoms in the chain. When carbons create double bonds with each other they are no longer able to hold as many hydrogens as a saturated fatty acid
        
             
        
        
        
Answer: 
Deoxyribonucleic acid (DNA) hold the hereditary material that acts as a blueprint for the development and functioning of life process on the earth. It is a blueprint for every cell in every organism.
Its major function is to encode the DNA sequence of amino acid by using the triplet genetic code that code for a specific protein that perform a specific function in the body that are necessary for the normal function of the life processes.
 
        
                    
             
        
        
        
The part of the Human body that is most similar in function to the spongy mesophyll layer in a leaf is A) Alveoli in the lungs.
        
             
        
        
        
Seeing as Peter is male, he's seeing a counselor (which indicates mental/emotional/psychological issues) and has been referred to a urologist, I'd say his problem is erectile dysfunction, or choice #2.
        
             
        
        
        
i think its c. chlorophyll and other pigments correct me if i'm wrong! <3