Determine whether each of the following transport systems is uniport, symport, or antiport. Which systems are active

Question:

Determine whether each of the following transport systems is uniport, symport, or antiport. Which systems are active transport systems?
(a) Glucose transporter in erythrocytes
(b) Valinomycin
(c) Plasma membrane (Na+-K+)-ATPase
(d) Na+-glucose transporter of intestinal epithelium
(e) E. coli lactose permease
(f) (H+-K+)-ATPase of gastric mucosa