BI-1646
Diffusion
Biology · Secondary 4 · Hard · Diffusion
A dialysis machine uses a partially permeable membrane. The dialysis fluid contains no urea but has the same glucose concentration as the patient’s blood.
Which statement explains what happens to urea and glucose during dialysis?
Which statement explains what happens to urea and glucose during dialysis?
- Both urea and glucose diffuse from blood to dialysis fluid
- Urea diffuses from blood to dialysis fluid; glucose shows no net movement
- Urea shows no net movement; glucose diffuses from blood to dialysis fluid
- Both urea and glucose show no net movement
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