Question

1. up to a point, (increasing) solute concentration increases transport rate. 2. at some point, all carriers are (click to select) and solute cannot be moved any faster. 3. at this point, the add (click to select) increase the amount of solute be 4. this point is referre (click to select) n. dropdown options: decreasing, does, does not, empty, increasing, occupied, transport

Explanation:

For Question 2:

In the context of solute transport (like facilitated diffusion or active transport with carriers), when all carriers are "occupied", they are all being used to transport solute, so no more solute can be moved faster. The other options: "decreasing" refers to a rate change, "does/does not" are verbs for actions, "empty" would mean carriers aren't carrying, "increasing" is a rate action, "transport" is the process, not the state of carriers. So "occupied" fits the context of carriers being used up.

Answer:

occupied