A protein is purified from a bacterium using Size Exclusion Chromatography (SEC), with a molecular weight of 200kD. When this protein is run on SDS-PAGE , a sing band is observed at 100kD. Based on these observations, what can be concluded about the structure of the protein? (if applies, choose more than one) The protein consist of two 200kD subiunits The protein has a quaternary structure The protein is madeup of two 100 kD subunits Proteins is a tetramer consisting of 200 kD domains. The protein contains an impurity of 100kD
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.
A protein is purified from a bacterium using Size Exclusion Chromatography (SEC), with a molecular weight of 200kD. When this protein is run on SDS-PAGE , a sing band is observed at 100kD. Based on these observations, what can be concluded about the structure of the protein? (if applies, choose more than one)
- The protein consist of two 200kD subiunits
- The protein has a quaternary structure
- The protein is madeup of two 100 kD subunits
- Proteins is a tetramer consisting of 200 kD domains.
- The protein contains an impurity of 100kD
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