Which Is True About Mediated Transport of Substances Across Cell

question 16

Multiple Choice

Which is true about mediated transport of substances across cell membranes?

• A)It involves a specific membrane protein that functions as a carrier molecule.
• B)It always involves the movement of substances against a concentration gradient.
• C)It is always directly coupled to the splitting of ATP molecules.
• D)There is no limit to how fast it can occur as the concentration gradient becomes larger.
• E)It is the main mechanism for transporting hydrophobic molecules across membranes.

---

Definitions:

Canada

A country in North America known for its diverse culture, natural beauty, and strong emphasis on equality and inclusiveness in its society.

Respondents

Individuals who answer or respond to surveys, questionnaires, or other forms of inquiries.

Job Design

Identification of job duties, characteristics, competencies, and sequences, taking into consideration technology, workforce, organization character, and environment.

Job Duties

The responsibilities and tasks that are expected to be performed by someone holding a particular job position.