Why Are Proteins Separated on an SDS Polyacrylamide Gel Equally

question 52

Multiple Choice

Why are proteins separated on an SDS polyacrylamide gel equally attracted to the positive electrode?

• A)They carry a relatively uniform positive charge distribution
• B)They carry a relatively uniform negative charge distribution.
• C)They are all the same molecular weight.
• D)They are all the same size.
• E)They all have the same degree of hydrophobicity.

---

Definitions:

Mean Square

A measure used in ANOVA that is calculated by dividing the sum of squares by its degrees of freedom.

Levels

Different values or categories that a variable can take, often used in the context of categorical variables in research.

dfWG

Degrees of freedom within groups, a term used in statistical analysis, particularly ANOVA, to indicate the number of independent pieces of information available to estimate variances within the groups.