active transport and carrier proteins

Question 1

active transport?

Answer 1

allows cells to move substances from an area of low to high concentration against a concentration gradient
ATP is required

Question 2

carrier proteins?

Answer 2

in cell membrane
transports molecules into cell
rotates and releases molecules using ATP

Question 3

example of active transport

Answer 3

glucose released in blood
potassium ions pumped into nerve cells
take up minerals from roots