Radioisotopes Are Frequently Used to Label Molecules in a Cell

question 23

Multiple Choice

Radioisotopes are frequently used to label molecules in a cell. The fate of atoms and molecules in a cell can then be followed. Assume Saccharomyces cerevisiae is grown in a nutrient medium containing the radioisotope 32P. After a 48-hour incubation, the majority of the 32P would be found in the S. cerevisiaeʹs

• A) cell wall.
• B) water.
• C) proteins.
• D) plasma membrane.
• E) carbohydrates.

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Definitions:

Par Value

The nominal or face value of a bond, stock, or coupon as stated by the issuer, which is typically not related to its market value.

Unamortized Premium

The portion of a bond premium that has not yet been amortized or recognized in the financial statements over time.

Par Value

The face value of a bond or stock, as specified by the issuing company, which is the minimum price at which the securities can be issued initially.

Retirement

The process of removing an asset from service after its useful life has ended, often involving its disposal or sale.