Which of the Following Statements Is True

question 11

Multiple Choice

Which of the following statements is True?

• A)When signal molecules first bind to receptor tyrosine kinases, the receptors phosphorylate a number of nearby molecules.
• B)In response to some G-protein-mediated signals, a special type of lipid molecule associated with the plasma membrane is cleaved to form IP3 and calcium.
• C)In most cases, signal molecules interact with the cell at the plasma membrane and then enter the cell and eventually the nucleus.
• D)Toxins such as those that cause botulism and cholera interfere with the ability of activated G proteins to hydrolyze GTP to GDP, resulting in phosphodiesterase activity in the absence of an appropriate signal molecule.
• E)Protein kinase A activation is one possible result of signal molecules binding to G protein-linked receptors.

---

Definitions:

Point Value

A quantitative value assigned to specific actions, achievements, or outcomes, often used in scoring systems or as a measure of performance.

Wage Rate

The amount of compensation an employee receives for performing a specific job, often expressed per hour, day, or unit of work.

Wage Rates

The compensation paid to employees for their labor, typically expressed as an hourly rate, but can also refer to annual salaries or piece rates.

Relative Worth

The value or importance of something in comparison to another.