Hydrophilic Signaling Molecules

question 75

Multiple Choice

Hydrophilic signaling molecules

• A) move into cells by active transport through carrier protein channels.
• B) bind to cell surface receptors and do not enter cells.
• C) can passively cross the plasma membrane and bind to intracellular receptor proteins.
• D) move directly into the nucleus through carrier proteins that span the distance from the plasma membrane to the nuclear envelope.

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Definitions:

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A sweet-tasting, soluble carbohydrate found in many plants, commonly used as a sweetener in foods and drinks.

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A country in North America consisting of 50 states and is known for its significant influence in global economics, politics, and culture.

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Limitations or rules placed on activities, operations, or behaviors to regulate or control certain actions.