Which of the Following Is Most Likely True of a Protein

question 21

Multiple Choice

Which of the following is most likely true of a protein that cotransports glucose and sodium ions into the intestinal cells of an animal?

• A) Sodium and glucose compete for the same binding site in the cotransporter.
• B) Glucose entering the cell down its concentration gradient provides energy for uptake of sodium ions against the electrochemical gradient.
• C) Sodium ions can move down their electrochemical gradient through the cotransporter whether or not glucose is present outside the cell.
• D) The cotransporter can also transport potassium ions.
• E) A substance that blocks sodium ions from binding to the cotransport protein will also block the transport of glucose.

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Definitions:

Short-Term Psychodynamic Therapy

A therapeutic approach that seeks to uncover unconscious patterns and meanings in current psychological processes over a brief period.

Relational Psychoanalytic Therapy

A form of psychodynamic therapy that considers therapists to be active participants in the formation of patients’ feelings and reactions and therefore calls for therapists to disclose their own experiences and feelings in discussions with patients.

Meta-Worry

Worrying about the act of worrying itself, which can exacerbate anxiety and stress levels.

Signs Of Danger

Indications or warnings of potential harm or risk to safety and well-being.