The Meselson-Stahl Experiment Made Clear Predictions Regarding Experimental Outcomes If

question 26

Multiple Choice

The Meselson-Stahl experiment made clear predictions regarding experimental outcomes if dispersive,conservative,or semiconservative DNA replication was occurring in their Escherichia coli cells.To begin the experiment,cells were grown for a period of time in media containing __________ to label the chromosome.

• A)heavy nitrogen,¹⁵N
• B)radioactive phosphate,³²P
• C)chemically modified nitrogenous bases
• D)only sulfur and no nitrogen
• E)None of the answer options are correct.

---

Definitions:

Corporate Profits

Corporate profits denote the earnings of a company after all expenses, taxes, and costs have been subtracted from total revenue.

Proprietors' Profits

The earnings retained by the owners after all expenses have been deducted from the gross income of an unincorporated business.

National Income

The total value of all income earned by the residents of a country in a given period, including wages, profits, and investment returns.

Entrepreneur

An individual who organizes, operates, and assumes the risk for a business venture, often introducing innovations and facilitating economic development.