Active Transport vs Passive Transport — Difference (with Table)
Active Transport vs Passive Transport compared side by side — a 7-row comparison table and 4 key points. Class 9 Biology, free and no sign-up.
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TL;DR: Active Transport vs Passive Transport compared side by side — a 7-row comparison table and 4 key points. Class 9 Biology, free and no sign-up.
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The main difference between Active Transport and Passive Transport: Active and passive transport are two mechanisms by which substances move across cell membranes. Active transport requires energy (ATP) to move substances a
Active Transport vs Passive Transport — Comparison Table
| Basis | Active Transport | Passive Transport |
|---|---|---|
| Energy Requirement | Requires ATP energy | No ATP energy needed |
| Movement Direction | Against concentration gradient | Along concentration gradient |
| Carrier Protein | Requires carrier protein | May or may not require carrier |
| Rate | Slower process | Generally faster process |
| Effect of Concentration | Can move low to high concentration | Moves high to low concentration only |
| Examples | Sodium-potassium pump, glucose uptake | Diffusion, osmosis, facilitated diffusion |
| Saturation | Can become saturated | Depends on type of passive transport |
Key Points
- Active transport uses ATP energy moving against gradient; passive transport uses concentration gradient
- Active transport concentrates substances; passive dilutes them
- Active transport is selective; passive transport less selective
- Cells use both processes for different transport needs