With many of our macromolecules, we refer to them as building blocks because the

Question

With many of our macromolecules, we refer to them as building blocks because they are essential to building organelles, cells, tissues, organs so on and so forth. So, please explain what monomers and polymers are, and give examples of these for carbohydrates, nucleic acids and proteins. Do lipids have true monomers?

Vitamins/Minerals:  You have certainly listed many important benefits of vitamins, but can you get too much of a good thing? Give an example or examples of vitamins that may be harmful in excess.

Explanation / Answer

polymer - it is a large macromolecule consising of repeated smaller units (monomers) joined together.

carbohydrates- amylose (polmer) formed from repeated binding of glucose molecule( monomer)

proteins-a polypeptide chian like insulin (polymer) made from different amino acids ( monomer)

nucleic acids- dna (polymer) is formed from repeated units of nucleotides(monomer) connected through a phosphodi-esterase bond.

lipids are basically a group of different chemical compound having similar physical properties(dissolve in non polar solvent).they do not have such true monomers

excess of vitamin causes hypervitaminosis, example- hypervitaminosis D which lead to excess strage of vit.D . causing toxic effects to bones,tissue and high blood pressure.

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