Which of These Is a Function of the P53 Protein

question 83

Multiple Choice

Which of these is a function of the p53 protein?

• A) It arrests the cell cycle in cells with damaged DNA.
• B) It scavenges improperly folded proteins.
• C) It increases the expression of tumor-causing genes.
• D) It decreases the expression of tumor suppressor genes.

---

Definitions:

Marginal Tax Rate

The rate at which the last dollar of a person's income is taxed, reflecting the percentage of additional income that will be taken as tax.

Tax Liability

The total amount of tax that an individual or entity is legally obliged to pay to a taxing authority based on their income, assets, or activities.

Taxable Income

The amount of an individual's or a company's income used to determine how much tax they owe to the government in a given year.