Amino acid analysis of the peptide angiotensin II shows the presence of eight different amino acids in equimolar amounts: Arg, Asp, His, Ile, Phe, Pro, Tyr and Val. Partial hydrolysis of angiostensin II with dilute HCl yields the following fragments a.) Asp –Arg- Val –Tyr b.) Ile –his –Pro c.) Pro –Phe d.) Val – tyr – Ile –His a.)What is the sequence of angiostensin II and what Fragment would result if angiotensin II were cleaved with trypsin? With chymotrypsin?
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.
Amino acid analysis of the peptide angiotensin II shows the presence of eight different amino
acids in equimolar amounts: Arg, Asp, His, Ile, Phe, Pro, Tyr and Val. Partial hydrolysis of
angiostensin II with dilute HCl yields the following fragments
a.) Asp –Arg- Val –Tyr b.) Ile –his –Pro
c.) Pro –Phe d.) Val – tyr – Ile –His
a.)What is the sequence of angiostensin II and what Fragment would result if angiotensin II were cleaved with trypsin? With
chymotrypsin?
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