객관식
A scientist is looking to study a specific protein called mitochondrial transcription factor A (TFAM). Which of the following is the most appropriate sequence of steps for protein purification of TFAM?
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5. Protein Techniques
Protein Purification
객관식
Which of the following is likely the most appropriate meaning of protein purification?
A
Literally isolating only one single protein molecule.
B
Isolating a batch of the same exact protein molecule.
C
Isolating a batch of different protein molecules.
D
Isolating all the proteins of an organism's proteome.
검증된 단계별 안내1
Understand the concept of protein purification: Protein purification is a process used to isolate a specific protein of interest from a complex mixture, such as a cell lysate or tissue extract.
Consider the goal of protein purification: The primary aim is to obtain a sample that contains a high concentration of the target protein with minimal contamination from other proteins or biomolecules.
Evaluate the options: The first option, 'Literally isolating only one single protein molecule,' is impractical and not the goal of protein purification. The third option, 'Isolating a batch of different protein molecules,' does not align with the goal of isolating a specific protein. The fourth option, 'Isolating all the proteins of an organism's proteome,' refers to proteomics, not purification of a single protein.
Focus on the second option: 'Isolating a batch of the same exact protein molecule' aligns with the goal of protein purification, which is to obtain a sample enriched in the target protein.
Conclude that the most appropriate meaning of protein purification is 'Isolating a batch of the same exact protein molecule,' as it reflects the process of obtaining a purified sample of a specific protein.
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