Sodium Concentrations Are Higher Outside and Glucose Concentrations Are Higher

question 20

Multiple Choice

Sodium concentrations are higher outside and glucose concentrations are higher inside the cell.Using the same membrane protein for Na⁺ and glucose transport,what is it called when a Na⁺ electrochemical gradient is used to drive glucose transport into the cell against its concentration gradient?

• A)Primary active transport
• B)Secondary active transport
• C)Primary facilitated diffusion
• D)Secondary facilitated diffusion
• E)Passive diffusion

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Organic molecules made up of amino acids that are essential for many processes in living organisms, including catalysis of metabolic reactions and DNA replication.

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