Which Domain Is Reserved for U.S. Government Agencies

question 32

Multiple Choice

Which domain is reserved for U.S. government agencies?

• A) .info
• B) .USA
• C) .gov
• D) .US

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Definitions:

Connexin Molecules

Protein molecules that assemble into gap junctions, facilitating communication between adjacent cells by allowing the passage of ions and small molecules.

Sodium-Potassium Pump

A vital cell membrane protein that transports sodium ions out of and potassium ions into cells, maintaining cellular electrochemical gradients.

Carrier Protein

A type of membrane protein involved in facilitated diffusion, helping to transport substances across a cell membrane without expenditure of energy.

Sodium Ion

An atom of sodium that has lost one electron to form a positively charged ion (Na+), crucial for nerve transmission and fluid balance in the body.