The Action of Ca²⁺ in a Second Messenger Scheme

question 21

Multiple Choice

The action of Ca²⁺ in a second messenger scheme

• A) involves the calcium-binding protein calmodulin as the actual second messenger
• B) relies entirely on intercellular reservoirs of Ca²⁺ in the endoplasmic reticulum
• C) does not involve the G protein
• D) produces sustained responses by controlling the flow of Ca²⁺ into the cell

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Definitions:

Bundle of Goods

A combination of different goods and services that are considered together, often in the context of consumer choice, preferences, and budget constraints.

Total Price

The complete cost of purchasing a product, including all taxes and fees.

Substitution Effect

The change in consumption patterns due to a change in the relative prices of goods, leading consumers to substitute one good for another that is relatively cheaper.

Income Effect

The variation in income for a person or within an economy, and its influence on the demand levels for a certain good or service.