Molecular Charge Is an Important Characteristic Influencing Protein Migration on a Gel

question 18

Multiple Choice

Molecular charge is an important characteristic influencing protein migration on a gel. What accounts for the variation in the molecular charge of proteins?

• A)the intronic sequences of the protein
• B)the amino acid composition of the protein
• C)the negative charge of the sugar-phosphate backbone
• D)the amount of protein loaded into the wells of the gel
• E)the presence of secondary structures in the protein

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