2nd October 2019

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15

What is the name of the polymer for lipids?

Unlike other biomolecule groups, fatty acid monomers are not directly bonded to each other in polymer chains. Dehydration synthesis reactions in lipids form an ester linkage between the carboxyl group of a fatty acid and the hydroxyl group of an alcohol monomer such as glycerol.

Moreover, what is the hydrophilic part of a lipid?

The lipids found in the membrane consist of two parts: hydrophilic (water soluble) and hydrophobic (water insoluble). The hydrophobic portion of the lipids is the non-polar long hydrocarbon chains of two fatty acids. The fatty acids are present as esters bonded to glycerol.

Can lipids pass through the phospholipid bilayer?

Because of the chemical and structural nature of the phospholipid bilayer (hydrophobic core), only lipid-soluble molecules and some small molecules are able to freely pass through the lipid bilayer. Ions and large polar molecules cannot pass through the lipid bilayer.

What is the name of the bond that holds carbohydrates together?

Twenty different amino acids are found in human protein in varying quantities and combinations. They are linked together by peptide bonds to form the primary structure of proteins. Peptide bonds in proteins are also specialized covalent bonds, like the glycosidic bonds in carbohydrates.
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