Phosphorylated P53 Is a Protein That Accumulates in the Nucleus

question 168

Multiple Choice

Phosphorylated p53 is a protein that accumulates in the nucleus of a cell that has damaged DNA. The p53 gene that encodes this protein is an example of a(n) :

• A)oncogene.
• B)proto-oncogene.
• C)tumor suppressor gene.
• D)protein kinase.

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Definitions:

Chi-square Statistic

A measure used in statistics to assess how expectations compare to actual observed data, particularly in the context of categorical variables.

Observed Frequencies

The actual number of occurrences of each category in statistical data.

Expected Frequencies

The anticipated counts in each category of a contingency table under the assumption that the null hypothesis is true, calculated from the proportions in the total sample.

Chi-square Statistic

A statistical measure used to assess the differences between observed and expected frequencies in one or more categories.