Many Amino Acids in Our Diet Are Absorbed Via the Transcellular

question 40

Multiple Choice

Many amino acids in our diet are absorbed via the transcellular transport pathway by the intestinal epithelial cells. This process requires ATP hydrolysis by …

• A) the Na⁺-amino acid symporters in the apical domain of the plasma membrane.
• B) the Na⁺-amino acid antiporters in the apical domain of the plasma membrane.
• C) the Na⁺-K⁺ pumps in the basal and lateral domains of the plasma membrane.
• D) the amino acid carriers in the basal domain of the plasma membrane.
• E) F-type ATPases in the apical domain of the plasma membrane.

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The total quantity of goods and services produced in an economy over a specific period of time.

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The sum of fixed and variable costs incurred by a business in the production of goods or services.

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The additional output resulting from a one-unit increase in the quantity of a particular input, holding all other inputs constant.