One Function of the Specialized Protein Channels in a Cell

question 225

Multiple Choice

One function of the specialized protein channels in a cell membrane is to:

• A)Selectively allow substances to enter or leave the cell
• B)Provide oxygen and nutrients for the cell
• C)Package neurotransmitters
• D)Form an impermeable barrier to all substances foreign to the cell

---

Definitions:

Backstage Technology

The unseen technology and systems that support front-end services and customer interactions.

Radio Frequency Identification (RFID)

A technology using electromagnetic fields to automatically identify and track tags attached to objects, for purposes like inventory management.

Satellite Radio

A broadcasting service that transmits signals via satellites, offering a wide range of channels and content to subscribers, typically without commercial interruptions.

Real GDP

the measure of a country's economic output adjusted for price changes (inflation or deflation), reflecting the actual value of goods and services produced.