I need help with number 28,, anyone wanna answer it for me ?

Carbohydrates: Carbohydrates are the most abundant organic molecules in nature. stored in the body in the liver and muscles in the form of glycogen.

Proteins and Amino Acids: Proteins are the most abundant organic molecules of the living system. There are twenty amino acids (AA) which have been found to occur in all proteins and for which genetic codon exits.

Lipids are broadly classified (modified from Bloor) into simple, complex, derived and miscellaneous lipids, which are further subdivided. found in cell membranes, cholesterol, blood cells, and in the brain

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The answer is 2143 i just did it

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