Active Transport

Question 1

What is active transport?

Answer 1

The process of moving molecules against a concentration gradient.

Question 2

Does active transport require energy, and why?

Answer 2

Active transport requires energy from respiration to move energy against the concentration gradient

Question 3

Examples of active transport

Answer 3

1. Root hair cells absorbing mineral ions from the dilute solutions in the soil by active transport
2. Glucose being absorbed out the gut and kidney tubules against a large concentration gradient by active transport