Consider the Signaling Pathway Depicted Below, Which Involves Two Different

question 14

Multiple Choice

Consider the signaling pathway depicted below, which involves two different receptors. Assume that a protein is active only when it is activated but not inhibited by its upstream signaling molecules. Activation and inhibition are indicated by normal and blunt arrows, respectively. Under which of the following conditions is target-gene expression induced?

• A) Only in the presence of both signals (1 and 2)
• B) In the presence of either or both signals (1 or 2)
• C) In the presence of either signal but not both of them
• D) Only in the absence of both signals
• E) Only in the presence of signal 2 but not signal 1

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Definitions:

Manufacturing-Dependent

Describes economies or regions that primarily rely on the manufacturing sector for economic growth and employment.

Domestic Production

Goods and services produced within a country’s borders, contributing to its gross domestic production (GDP).

Foreign Trade

The exchange of goods, services, and capital across international borders or territories.

Overvalued Currencies

Currencies whose market value is higher than their intrinsic or economic value, often leading to economic imbalances.