When protein cannot precipitate out under the conditions for making tofu and cheese because (i) polar groups are highly abundant in the surfaces of whey proteins; and (ii) disulfide bonds are commonly present in the structures of whey proteins. Explain briefly why highly abundant polar groups and disulfide bonds could make whey proteins resist precipitation of protein molecules. (i) Under the condition where the environmental pH is equal to the isoelectric point of whey protein (ii) Under the condition where rennet is added to whey protein solution
Nucleotides
It is an organic molecule made up of three basic components- a nitrogenous base, phosphate,and pentose sugar. The nucleotides are important for metabolic reactions andthe formation of DNA (deoxyribonucleic acid) and RNA (ribonucleic acid).
Nucleic Acids
Nucleic acids are essential biomolecules present in prokaryotic and eukaryotic cells and viruses. They carry the genetic information for the synthesis of proteins and cellular replication. The nucleic acids are of two types: deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). The structure of all proteins and ultimately every biomolecule and cellular component is a product of information encoded in the sequence of nucleic acids. Parts of a DNA molecule containing the information needed to synthesize a protein or an RNA are genes. Nucleic acids can store and transmit genetic information from one generation to the next, fundamental to any life form.
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