Lipid-Soluble Signaling Molecules, Such as Aldosterone, Cross the Membranes of All

question 37

Multiple Choice

Lipid-soluble signaling molecules, such as aldosterone, cross the membranes of all cells but affect only target cells because ________.

• A) only target cells retain the appropriate DNA segments
• B) intracellular receptors are present only in target cells
• C) only target cells have enzymes that break down aldosterone
• D) only in target cells is aldosterone able to initiate the phosphorylation cascade that turns genes on

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Definitions:

Outward Shift

A term often used in economics to describe a situation where a curve, such as the supply or demand curve, moves away from the origin, indicating an increase in supply or demand.

Production Possibility Frontier

A curve depicting the maximum achievable combination of two goods that can be produced with available resources and technology.

Technological Improvements

Advancements or enhancements in technology that lead to more efficient processes, better products, or improved ways of doing things.

Outward Shift

In economics, refers to the movement of a curve away from the origin in a graph, indicating an increase in quantity supplied or demanded due to various factors.