Which of the Following Is a Characteristic Feature of a Carrier

question 75

Multiple Choice

Which of the following is a characteristic feature of a carrier protein in a plasma membrane?

• A) It is a peripheral membrane protein.
• B) It exhibits a specificity for a particular type of molecule.
• C) It requires the expenditure of cellular energy to function.
• D) It works against diffusion.
• E) It has few, if any, hydrophobic amino acids.

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Definitions:

Aerobic Respiration

A process of producing cellular energy involving oxygen where glucose breaks down into carbon dioxide and water.

ATP Synthase Complexes

Complex enzyme structures that synthesize adenosine triphosphate (ATP), the energy currency of the cell, during the process of cellular respiration or photosynthesis.

Concentration Gradient

The gradual difference in the concentration of solutes in a solution between two regions, often leading to diffusion.

Electron Transport Chain

A series of protein complexes and other molecules that transfer electrons from electron donors to electron acceptors via redox reactions and generate ATP in the process.