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.

Identify and calculate direct and indirect manufacturing costs.

Determine the incremental manufacturing cost for a single unit increase in production.

Understand and apply cost classifications such as direct materials, direct labor, manufacturing overhead, and period costs.

Prepare contribution format and traditional format income statements.

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