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What are polypeptide composed of?
A polypeptide is a chain of amino acids linked by peptide bonds, with a molecular weight of up to about 10,000. It is composed of amino acids.
If the average molecular weight of one amino acid is 110 the molecular weight of a peptide made up of 10 amino acids is?
When a peptide of 10 amino acid will form there will be the evolution of 9 molecules of water,which amounts to 162(9*18),where 18 is the MW of water. Now a peptide is having 10 amino acids which means including all the molecules weight should be 110*10=1100 but we have to take out the weight of 9 water molecules for the final calculation .Therefore 1100-162 will be 938. So the answer is 938
The average molecular weight of the 20 standard amino acids is 136 What is the molecular weight of a protein composed of 100 of these amino acids?
In the formation of a peptide bond, a water molecule is "lost" (18Da), so if there are 100 amino acids (of average weight = 128), 99 peptide bonds were created, kicking out 99 x 18 = 162 Da. 100 AA x 128Da = 12,800 Dalton Removing the "water" upon condensation gives 12,800 Da - 162 Da = 12,638 Da = 12,638 g/mol
The information of DNA is actually expressed in the sequence of nitrogen-containing what?
Proteins that are themselves comprised from both 'the peptide bond' and the nitrogen-containing amino acids.
Why do proteins have large molecular masses?
Because they are a polymer of amino acids, known as polypeptide (as the amino acids are joined together by peptide bonds). A protein can have hundreds of amino acids, therefore their molecular masses reaches well above 500-800
What is the difference between peptide and peptide bond?
A peptide is a short chain of amino acids linked by peptide bonds. The peptide bond is a covalent bond that joins the carboxyl group of one amino acid to the amino group of another amino acid in a peptide chain. In essence, a peptide is a chain of amino acids, whereas a peptide bond is the specific bond that holds amino acids together in a peptide chain.
How do you calculate molecular weight of protein from blood?
To calculate the molecular weight of a protein from blood, you typically use techniques like size-exclusion chromatography or SDS-PAGE to separate the proteins based on size. After separation, you can compare the migration distance of the protein of interest with standard proteins of known molecular weights. Additionally, you can use the protein's amino acid sequence, where the molecular weight is calculated by summing the average molecular weights of the individual amino acids and accounting for water molecules released during peptide bond formation. The final molecular weight can be expressed in Daltons (Da).
What class of biological molecule contains peptide bonds between the individual monomers?
Amino acids are joined by peptide bonds. A peptide bond is a covalent bond that forms between two amino acids when the carboxyl group (COOH) of one amino acid reacts with the amino group (NH2) of the other amino acid, resulting in a C-N bond, which is a peptide bond. Click on the related link below to see an image of a peptide bond.
What is formed when 10 amino acids are bonded together?
When 10 amino acids are bonded together, a peptide is formed. Peptides are short chains of amino acids linked by peptide bonds.
What has higher molecular weight amino acid or protein?
Proteins have the higher molecular weight. They consist of long chains of amino acids joined together.
No of peptide bonds in hexapeptide would be?
A hexapeptide is a peptide composed of six amino acids linked together through peptide bonds. Since each peptide bond is formed between two amino acids, a hexapeptide would have 5 peptide bonds connecting the 6 amino acids.
What is the shortest protein?
I am not completely positive, but from what I can find it is said that the shortest protein peptide sequence consists just 8 amino acids. It is recognized by the anti-peptide antisera.The shortest protein in rice is 5 amino acids. The locus id is LOC_Os06g47230.
