When Rods Are in the Dark, Cyclic Guanosine Monophosphate (CGMP)

question 132

Multiple Choice

 When rods are in the dark, cyclic guanosine monophosphate (cGMP) keeps sodium channels _________ allowing sodium to _________ the cell.

• A) open; enter
• B) open; leave
• C) closed; enter
• D) closed; leave

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Definitions:

CISG

The United Nations Convention on Contracts for the International Sale of Goods, a set of rules governing the sale of goods between parties from different countries.

International Sales

The sale of goods or services across national boundaries, governed by international commercial law and trade agreements.

Void Contract

An agreement that is null and lacks legal effect or enforceability from its inception.

Valid Contract

An agreement between two or more parties that is enforceable by law.