An Experiment Is Done to Measure the Uptake of an Amino

question 4

Multiple Choice

An experiment is done to measure the uptake of an amino acid into a cell.The following data are obtained: If Na⁺ is removed from the extracellular bathing solution,or if a drug is added that prevents the cell from making adenosine triphosphate (ATP) ,the uptake of amino acid into the cell is markedly reduced.According to this information,which of the following mechanisms is probably responsible for the transport of the amino acid into the cell?

• A)Passive diffusion through the lipid bilayer
• B)Uniporter
• C)Transport ATPase
• D)Na⁺ symporter
• E)Na⁺ antiporter

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Definitions:

Openness

Willingness to try new things and be open to new experiences or ideas.

Agreeableness

A personality trait in psychology that reflects the extent to which a person is cooperative, friendly, and compassionate toward others.

Positive Feedback

A method where a minor disruption's impact on a system results in the amplification of the disturbance's strength.

Negative Feedback

A process in which a system responds to a change by returning to its original state, or by decreasing the rate at which the change is occurring.