Active Transport Flashcards
Active Transport moves substances from a [ ] concentration to a [ ] concentration. Against a concentration [ ]
lower
higher
gradient
What are root hair cells specialised to absorb?
Water and mineral ions from the soil
How are root hair cells specialised for absorption?
They give the plant a large surface area
Where are root hair cells?
The cells on the surface of plant roots grow into long ‘hairs’ which stick out into the soil
The concentration of minerals is usually [ ] in the root hair cell than in the soil.
Higher
The soil has a [ ] solution of minerals and water
dilute
What does active transport need? Where does this come from?
Energy from respiration
Mineral ions and water enter the plant through the roots through …
Active transport
Where is active transport in humans?
Used in the gut where there is a low concentration of nutrients but a high concentration of nutrients in the blood
What substance(s) need to diffuse/active transport in the gut?
Glucose and Amino acids
