B1.9 Flashcards
What is active transport?
Moving substances from an area of low concentration to an area of high concentration.
How is it different from diffusion?
Active transport goes against the concentration gradient, while diffusion goes with it.
Does active transport require energy?
Yes, it needs energy.
Why is active transport important for plants?
Helps plants absorb nutrients from the soil.
Why is active transport important for animals?
Helps animals absorb nutrients from food.
What cell organelle provides the energy for active transport?
Mitochondria
How do crocodiles use active transport?
Helps them get rid of excess salt.
What is the relationship between respiration and active transport?
Respiration provides the energy needed for active transport.
How does active transport help maintain blood sugar levels?
Moves glucose from the gut into the blood.
What are some examples of cells that use active transport?
Plant root cells, animal gut cells, and salt glands in crocodiles.
