Which of the following is NOT relevant to facilitated transport across biological membranes?
Which of the following is NOT relevant to facilitated transport across biological membranes?
| A) Some perm eases can transport their substrates in both directions. |
| B) A symport will transport two molecules in the same direction across a membrane. |
| C) An anti port will move substrates in opposite directions across a membrane. |
| D) An ionophore is a carrier protein that increases the permeability of a membrane to ions. |
| E) ATP hydrolysis is required. |