Which of the Following Statements About Transport Across Plasma Membranes

question 41

Multiple Choice

Which of the following statements about transport across plasma membranes of cells is correct?

• A) Facilitated diffusion transport systems are bidirectional with the direction of net transport being determined by the concentration gradient.
• B) A variety of small compounds such as glucose and other sugars enter cells primarily by simple diffusion.
• C) All examples of mediated transport involve vectorial or one-way transport across the membrane.
• D) In the absence of specific transport systems, a small hydrophobic compound would be expected to cross a membrane more slowly than a hydrophilic molecule of similar size.
• E) Ions such as chloride and bicarbonate cross membranes very slowly.

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Computing

The process or practice of utilizing computer technology to complete a task or solve a problem, involving both hardware and software components.

Customers

Individuals or businesses that purchase goods or services from a company.

FCFS System

First-Come, First-Served System, a processing sequence where the first item to arrive is the first to be processed, commonly used in queue management and scheduling.

Arrival Rate

In queuing theory, it is the average rate at which entities (e.g., customers, data packets) arrive at a service facility within a given time period.